Danny helps pursue two escaped convicts after learning that one of them he helped wrongfully imprison.
Henry becomes a key witness in Danny and Baez's case, and so he begins meddling; Nicky sides with an activist friend who defaced the NYPD flag.
Hypnotist Jervis Tetch, also known as the Mad Hatter, arrives in town and enlists Gordon to help him find his sister Alice. Bruce's doppelganger starts channeling him and the Penguin commits to running for mayor.
When Jim Gordon makes contact with a substance in the hand of Mad Hatter, he's led on a psychedelic trip in which he must face his past, present and future. Meanwhile, Penguin has a difficult time with Nygma's new relationship.
Penguin gets closer to his goal of being nominated for mayor, as Gordon turns Alice in for the bounty. Meanwhile, Bruce and Alfred search for the person who has stolen Bruce's identity.