Penguin gains leverage over Gotham City. Meanwhile Jim returns Alice to GCPD for the bounty and Bruce and Alfred look for Bruce's doppleganger

Crime in Gotham is at an all-time high, as Penguin struggles to uphold his promises to the city. Meanwhile, Butch goes down a dark path with the infamous Red Hood Gang and Bruce begins to investigate Ivy's whereabouts.

Mad Hatter sets his sights on his next victims, forcing Jim Gordon to make some tough decisions. Meanwhile, Penguin and Nygma's relationship evolves, and a familiar face comes back into Nygma's life.

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.

Captain Barnes begins to feel the effects of a recent incident and starts to go mad. Meanwhile Nygma is out of his depth in his relationship with Isabella, and Carmine Falcone throws his son Mario and Leslie Tompkin's an engagement party.

A threat to Leslie and Mario is exposed on the eve of their rehearsal dinner and Falcone comes to Jim for help. Meanwhile, Nygma plans his revenge and Bruce learns more about the Court of Owls.

Mario and Gordon face off before the wedding, Selina meets an unexpected face and Barbara comes to Nygma with information about Isabella.

Falcone goes after Gordon for his son's death. Gordon doesn't have any evidence that proves Mario was trying to kill Leslie. So she ends up blaming Gordon for her husband's death.

Tensions mount as Nygma has Cobblepot captured and defeated. Gotham has been plunged into darkness as Jerome wanted. The streets are rioting. Jerome's goons break and loot while Jerome himself confronts Bruce Wayne and Alfred.

Ed finally gets Penguin to pay for his terrible actions, then finds himself with a new dilemma regarding which path to take.

Gordon discovers new information about his father's and uncle's past just as the Court of Owls devises a new plan for the future of Gotham.

The most unhinged villains of Gotham come together as the Riddler continues his conquest; Gordon's search for answers keeps leading him back to the Court of Owls; Alfred notices a change in Bruce while Bruce 2 confides in Selina.

Temple Shaman takes Bruce to the next phase of his training; Gordon and Bullock discover a crystal owl that carries the biggest secrets of Gotham's underworld; Nygma and Penguin must work together to get out of a tricky situation.