As the world falls into chaos, Serac gains control of Delos, changing Charlotte's plan; Maeve gets one last chance to stop Dolores; William starts his therapy.
Caleb gets an insight on the true nature of his past; Dolores seeks out Rehoboam's predecessor, while Maeve tracks her down; Bernard, Stubbs, and William escape from all the chaos.
Dolores' true intentions are revealed; Bernard confronts a ghost from his past; Maeve is conflicted; Serac's voice is dominant; Caleb's role is revealed; and William faces an unexpected villain.