Juliette's fate seems sealed when certain truths finally come to light.

The rebels make their move—and so does Juliette.

Billings' faith is shaken. Lukas heads to the down deep. Knox identifies the traitor. Juliette uncovers the truth about Solo's past.

Racked with guilt, Billings sets off on a personal mission, only to discover a mind-blowing clue from Juliette.

New information causes Juliette to see her family's past differently—and she finally gains access to the silo's biggest secrets.

In her hunt for a new sheriff, Mayor Jahns clashes with Bernard. Juliette strikes a deal to keep the generator running.

Juliette discovers something's happened to Solo. Bernard makes an offer to Walker. Lukas meets with Salvador Quinn's descendants.

Bernard enacts a plan to root out Knox, Shirley, and Walker. Billings takes a stand. Solo saves Juliette's life and wants something in return.

In Silo 18, shock and unrest take hold in the wake of Juliette doing what no one's done before.

Juliette finds sanctuary in a silo long ago destroyed by war, thinking she's alone.

Sims finds himself with a new position. Juliette learns Solo isn't being honest. Bernard and Lukas make an important discovery.

Juliette sets out on a dangerous quest to retrieve a suit so she can return home and save her silo. Mechanical plans a meeting with Judge Meadows.