Hypnotist Jervis Tetch/Mad Hatter arrives in Gotham to search for his sister, Alice, and hires Gordon to help find her. Meanwhile, Penguin decides to run for mayor and Bruce's doppelganger begins to channel him, causing some confusion around town.

Penguin gains power as he narrows in on the nomination for Mayor of Gotham. Meanwhile, Gordon turns Alice into the GCPD for the bounty. Also, Bruce and Alfred race to find Bruce’s doppelganger after learning he’s assumed Bruce’s identity.

After coming in contact with a substance by the hand of Mad Hatter, Jim Gordon gets led on a psychedelic trip and must confront his past, present and future. Meanwhile, Penguin struggles with Nygma’s new relationship.