Black Thread

Olivia Pembroke

Black Thread is a cinematic murder mystery podcast where every case begins with a single clue and every clue leads to something unexpected. Blending fictional murder mysteries, psychological thrillers, cold-case storytelling, and detective-style investigations, each episode takes listeners through a carefully crafted mystery filled with suspects, hidden motives, and shocking twists. Follow the evidence, uncover the secrets, and see if you can solve the case before the final reveal. Every mystery has a connection—you just have to find the Black Thread.

  1. Oct 1

    The Unchosen

    BLACK THREAD — Season Two: The Last Broadcast, Episode Eight: The Unchosen Door Fifteen is open—and thousands of people who were never supposed to exist are being given the chance to become real. But every new life comes at a cost. As Mara Voss, Elias Ward, Noah Mercer, Nina Shaw, Daniel Cross, Evelyn Vale, Sarah Kessler, and the others race to stop a worldwide replacement event, they discover the truth about the Unchosen: people from unrealized lives, abandoned timelines, and possibilities that were never allowed to become real. When Elias meets Grace, the daughter he remembers from a life he never lived, the question becomes painfully personal. And when Caleb is selected as a possible observer, Mara is forced to confront the same problem that has haunted Black Thread from the beginning—who gets to decide which version of reality matters most? The answer may lie not in choosing one timeline over another, but in something simpler: Remembering. Witnessing. And refusing to let one person control the truth. But just as Door Fifteen begins to close, Mara discovers that the Unchosen were never the final threat. There are others waiting. People erased so completely that even history forgot them. And the Last Broadcast has started looking for them. By the end of Episode Eight, Black Thread and White Thread may finally be gone—but something even harder to contain has survived: A story. And Margaret has found an audience. Episode Eight: The Unchosen continues the psychological thriller and sci-fi mystery of Black Thread: The Last Broadcast, exploring alternate timelines, memory, identity, free will, grief, consent, and the terrifying question of whether a life has to happen in order to matter. Follow the thread.

    The Unchosen
  2. Sep 24

    White Thread

    BLACK THREAD — Season Two: The Last Broadcast, Episode Seven: White Thread Black Thread is gone—but something more dangerous has taken its place. In Episode Seven, White Thread, Mara Voss struggles to hold onto her identity after history rewrites itself around her. Daniel Cross remembers an erased timeline. Elias hears his own voice calling from beneath Wellington. And Evelyn Vale discovers impossible evidence connecting Mara to Samuel Vale decades before she was born. As the group investigates a hidden White Thread facility, they uncover the truth behind Door Fourteen: a system created not to control obedience, but to study the people who refuse every choice they are given. Black Thread conditioned behavior. Echo demanded a response. White Thread manipulates something far more powerful—consent. But when Mara discovers that White Thread has been cataloging every unchosen outcome, another door appears. Door Fifteen contains people who never existed, lives that were never lived, and possibilities that have been waiting for someone to say yes. Now those people are choosing to become real. And every new life requires someone else to disappear. As Mara, Elias, Nina, Noah, Evelyn, Daniel, Elaine, and Mara Vale race to stop a worldwide replacement event, the mysterious first carrier finally chooses a name of his own: Caleb. But Caleb may also be the key to the next phase of the experiment. Black Thread: The Last Broadcast is a serialized psychological thriller and science-fiction mystery podcast exploring memory manipulation, alternate timelines, secret experiments, mysterious broadcasts, free will, identity, and the terrifying consequences of rewriting reality. Episode Seven: White Thread continues the mystery of St. Orison, Door Zero, the thirteen sequences, the first carrier, and the hidden network behind Black Thread—while opening the most dangerous door yet. Follow the thread.

    White Thread
  3. Sep 11

    The First Broadcast

    BLACK THREAD — Season Two: The Last Broadcast Episode Five: The First Broadcast A recording made in 1957 contains voices that should not exist for decades. Mara Voss. Elias Ward. Nina Shaw. Noah Mercer. The recording is dated September 3, 2026—tomorrow—and according to the archived report, only one of them returns. After Mara refuses to complete Sequence Twelve, the investigation into Black Thread takes a terrifying turn. The mysterious broadcasts, implanted memories, and behavioral conditioning were never the beginning. Decades before Project Black Thread existed, researchers at the original St. Orison Acoustic Research Facility detected an unexplained signal hidden beneath ordinary transmissions. A signal some people could hear. A signal that seemed to know them before they were born. Now, with Jonathan Ward and Sarah Kessler revealed to be alive, Mara and the others have less than twenty-four hours to uncover the truth behind Recording 0213 and the experiment known as The First Broadcast. But every discovery makes the timeline more impossible. Recordings appear to contain conversations that haven’t happened yet. Jonathan has been hiding secrets since childhood. Evelyn Vale discovers that the mysterious voice beneath Mara’s recording may not be coming from the future at all—and the original experiment may have involved someone who has been waiting nearly seventy years for them to arrive. As 2:13 AM approaches, Mara must decide whether the warning recorded in her own voice is something she can prevent…or something she has already lived through. And then they discover the detail missing from the archive. There weren’t four chairs waiting at St. Orison. There were five. The fifth bears the name: EVELYN VALE. BLACK THREAD: The Last Broadcast continues with Episode Five: The First Broadcast, a dark psychological mystery thriller filled with impossible recordings, secret experiments, memory manipulation, time-bending clues, hidden signals, conspiracy, suspense, and a mystery that reaches far beyond Black Thread. The recording already exists.The question is whether they can survive making it. Follow the thread.

    The First Broadcast
  4. Sep 3

    Room Zero

    BLACK THREAD Season Two: The Last Broadcast Episode Four — Room Zero The deeper the investigation goes, the less certain anyone is that their memories belong to them. After Elias remembers Mara inside a childhood Black Thread session that should be impossible, the team races toward the buried remains of St. Orison before the next 2:13 AM broadcast. But Archive Fourteen reveals something even more disturbing: there are two versions of the same recording. In one, Mara is sitting beside nine-year-old Elias. In the other, she was never there. As forgotten childhood sessions begin resurfacing, Nina discovers that she too was connected to Room Zero, while Noah receives a warning recorded in his own voice—a message he hasn’t made yet. Do not enter Room Zero. But the warnings are becoming impossible to trust. Evelyn Vale is alive. Jonathan Ward may be alive. And the mysterious “third voice” Elias has heard beneath the recordings may not belong to either of them. Inside St. Orison, the truth behind Black Thread begins to unravel. Elias, Mara, Nina, and Noah weren’t chosen at random. Each played a different role in an experiment designed to test whether a person could hear an instruction, recognize it as false…and refuse to obey. As the sequences advance toward Twelve, Mara discovers why Black Thread needs her. She was never a subject. She was the baseline. The one person the system never conditioned. The one person capable of deciding which voice is real. At 2:13 AM, Mara is given one final instruction. She refuses. And for the first time, Black Thread fails. But stopping Sequence Twelve only reveals something much older—and far more terrifying. Black Thread wasn’t created to produce the mysterious third voice. It was created to find people who could hear it. Records from an abandoned acoustic research facility date the signal back to 1957, decades before Elias, Mara, Nina, or Noah were born. Yet one of those recordings contains their voices. A recording dated tomorrow. Four names. Four participants. And one chilling prediction: ONE PARTICIPANT RETURNS. THREE DO NOT. Then Mara hears her own voice coming from a recording she hasn’t made yet: “Whatever happens tomorrow night… do not let me be the one who comes back.” The Last Broadcast is no longer just about altered memories. Something has been waiting beneath the static far longer than Black Thread has existed. And tomorrow, at 2:13 AM, it expects them to come looking for it. BLACK THREAD: The Last BroadcastEpisode Four — Room Zero Some memories are false. Some voices are recordings. And some signals were never meant to be answered. Follow the thread.

    Room Zero

Trailers

About

Black Thread is a cinematic murder mystery podcast where every case begins with a single clue and every clue leads to something unexpected. Blending fictional murder mysteries, psychological thrillers, cold-case storytelling, and detective-style investigations, each episode takes listeners through a carefully crafted mystery filled with suspects, hidden motives, and shocking twists. Follow the evidence, uncover the secrets, and see if you can solve the case before the final reveal. Every mystery has a connection—you just have to find the Black Thread.