The past surfaces, revealing a discovery young Ryan made within the Greenhouse, and an order placed just before the Athena launch. Brooke is drawn into a carefully constructed snare.

The quiz game proved a trial for Hayley, Aspen’s relentless pronouncements grating on her patience. Meanwhile, Brooke experienced an unsettling blankness, a sudden and inexplicable lapse in her memory. Across the room, Max felt a sharp pang…

When envy takes hold of Aspen, Leo gently suggests they need to speak. Meanwhile, Judy and Marcus initiate a simulated earthquake, only to encounter unforeseen outcomes.

Beneath the waves, Hayley encounters something that subtly shifts her perception of her mother. Amidst the growing sense that the world is ending, Parker unexpectedly reveals a deeply held secret.

Sophie was isolated, deliberately avoided by nearly all the members of the Eagles, save for one. Meanwhile, Daniel began to suspect a particular influence behind Brooke’s altered demeanor.

Having discovered his mother's deception, Daniel sought out Hayley to share his findings. A careless remark from Aspen startled Leo. Meanwhile, Jackie was coaxed into admitting a transgression from her past.

Hayley and Daniel endeavor to break the hypnotic hold on Brooke. Meanwhile, Max and Jackie begin to discern a unifying element in the unsettling occurrences surrounding Emma.

Before the darkness claimed her, Brooke shared with Daniel and Hayley the final fragments of her waking thoughts. Meanwhile, Marcus made a choice that left Louis speechless and provoked a fierce anger in Judy.

Leo stirred awake within the cave. At the family table, during dinner with Brooke and Daniel, they enacted a scheme to acquire Emma’s prized white knight chess pieces from Jason.

Hayley shared the news with her brother and friends, and their reaction was immediate disagreement about what to do next. Meanwhile, Max and Jackie found themselves desperately trying to reach Emma.

At the basketball arena, Daniel and Alex bought precious moments, delaying the inevitable. Meanwhile, Hayley slipped away unnoticed to explore the cave, while Max sought assistance from a source no one would have predicted.

With the bomb's timer dwindling, poised to obliterate the cave and the entirety of the Greenhouse, the students in the gymnasium must navigate past the police to reach those trapped within.