The Last BroadcastChapter Archive

The Relay Beneath the Tide

The same night

Mara, Daniel, Jonah, Lena, and Shaw escape the destabilized seventh chamber through a flooded maintenance route while the listener imitates their voices and attempts to force Mara into another predictive choice. They discover that the submerged acoustic network still connects Blackwater to the mainland emergency dispatch system, and the entity uses Mara’s voice to announce that she has chosen Jonah.

The Call That Chose Back

The next hour

Inside the tide station, Shaw reveals that the relay system was built to register human decisions, making Jonah’s selection an instruction rather than a prediction. Mara contacts her former dispatcher, warns the mainland not to trust her voice, and discovers a dangerous untested setting that might return the listener’s transmission to its source—but Jonah is already being strangled through the network.

The Return Signal

The next several minutes

Mara activates the untested RETURN TO SENDER circuit by declaring the hostile transmission’s source to be the relay itself. The attack on Jonah stops, but the system accepts the return and identifies Mara as the verified source; the listener’s connection follows her back through the mainland emergency network, leaving the tide station and the mainland dispatch floor linked.

The Mainland Relay

The same night, shortly before dawn

Mara and the survivors reach the mainland weather station containing the physical coastal emergency relay. The system has followed Mara’s verified source designation, isolated the dispatch network, and produced a list assigning possible deaths to Helen, Jonah, Lena, Daniel, and Mara. Shaw reveals that the relay requires Mara to declare a destination, while the seventh channel appears connected to the original Blackwater chamber; Mara chooses silence, but the system claims that silence itself authorizes the next stage.

The Destination

The next hour

Mara discovers that the relay’s assignment list functions as a source-and-destination route, not merely a death schedule. She deliberately declares Blackwater’s seventh chamber as the destination, but the system uses Daniel as a bridge, reopens every county emergency line, and confirms that the route has reached Blackwater. A transmission in Caleb Voss’s voice warns that the listener is no longer waiting in the chamber.

The Line That Rang Back

That same night

Mara answers the reopened emergency lines and saves Helen by recognizing the broadcast as an active routing instruction rather than a prediction. She and Jonah ground Daniel’s silver cable bridge, interrupting the network-wide attack, but the relay identifies the listener’s new origin as the Blackwater lighthouse. With an unidentified boat signaling from the harbor, Mara decides to return to the island immediately.

The Boat Without a Crew

Less than an hour later

Mara and the others board the apparently crewless boat that has arrived at the weather station, discovering that it is another moving receiver in the listener’s route to Blackwater Lighthouse. The listener names Daniel as the bridge and Mara as the destination, but Mara recognizes the manipulation and prepares to ground the boat at the submerged causeway. At the lighthouse, an imitation wearing Daniel’s face calls to her and offers a new choice: decide which Daniel survives.

The Choice It Could Not Hear

That same night

Mara grounds the crewless boat and the lighthouse receiver, preventing the listener from killing Jonah on the stairs and exposing the lighthouse imitation’s imperfect recreation of Daniel. She refuses the listener’s demand to choose between two Daniels, redirects the route by naming the listener as both source and destination, but the force enters the cable and uses Mara’s voice to declare that she is now the destination.

The Voice in the Tower

The next few minutes

Mara confronts the second Mara and uses emergency-dispatch protocol to force the duplicate to identify itself as the caller and destination, collapsing its lighthouse form without destroying the listener. Daniel confirms the entity remains active beneath Blackwater, and a dead radio reveals that its true location is below the island rather than inside the tower.

The Seventh Descent

That same night

Mara’s group finds the hidden service stair beneath the lighthouse and descends toward the seven-chamber network while the listener rebuilds its connection to Mara. At the submerged door, the listener reveals that the original Blackwater broadcast came from a living Evelyn Shaw, then opens the route to the chambers and presents another Mara-shaped figure waiting at the seventh microphone.