As pressure mounts from a fearful crowd demanding the execution of Alan, the fortress leader Ms. Clifford faces a dire choice: sacrifice her lifespan to upgrade the fortress capacity or turn desperate people away. Meanwhile, Jane, Alan's secretary, confronts Cindy, Alan's daughter, disputing claims that Alan is corrupt and insisting the outside world is safe, backed by a 30-year-old video. Accusations fly, and Jane is arrested for defending Alan. In a critical move to prove the truth, Ms. Clifford authorizes a live-streamed surface exploration, leaving the residents torn between hope and suspicion.