Bernard and Ashley infiltrate a private charity event, while Dolores and Caleb make similar plans; The Man in Black prepares to re-enter society; Maeve comes face to face with an old comrade.

Dolores sets out to find the architect of the Rehoboam; Bernard tries to blend in; Ex-soldier Caleb tries to find his way in neo-Los Angeles.

Charlotte grapples with reality; Dolores and Caleb begin to form a key partnership.

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.

Maeve finds herself in a new park and meets a ghost from the past; Bernard makes his way back to Westworld.

Serac's past is revealed; Dolores pressures Liam for access to Rehoboam; Caleb is dosed with an unusual party drug.

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.