In a ruined and toxic future, thousands live in a giant silo deep underground. After its sheriff breaks a cardinal rule and residents die mysteriously, engineer Juliette starts to uncover shocking secrets and the truth about the silo.
New mayor Juliette can't remember anything from her time outside—or her past.
Billings investigates a disappearance. Daniel Keene has a run-in with a reporter.
Juliette takes control of her recovery process. Helen suffers consequences of her investigation.
The race to evade Camille leads Juliette to a shocking discovery. Daniel seeks help from a friend.
Billings and Hank stumble on a new mystery. Daniel and Helen receive a surprising proposition.
