David, a robotic boy—the first of his kind programmed to love—is adopted as a test case by a Cybertronics employee and his wife. Though he gradually becomes their child, a series of unexpected circumstances make this life impossible for David.

Taking place immediately after the events of the second season, Dolores develops a relationship with Caleb in neo-Los Angeles, and learns how robots are treated in the real world. Meanwhile, Maeve finds herself in another Delos park, this one with a World War II theme and set in Fascist Italy.