After leaving Arkham Asylum, Barbara attempts to make amends with Gordon. Then, Bruce and Alfred track down one of Thomas Wayne's former friends from Project Chimera, but Hugo Strange disrupts their plans.

Ivy tracks a secret project on which Wayne Enterprises is working and begins to target anyone that can give her information. Meanwhile, Jerome becomes obsessed with Penguin in Arkham. Also, Gordon begins to second guess his deal with Sofia and an unsettling dream sequence shakes up Bruce.

Gordon races to uncover the criminal element threatening to end talks of Gotham's reunification with the mainland. A very much alive Jeremiah returns and organizes a twisted recreation of the murder of Bruce's parents with the help of Jervis Tetch aka Mad Hatter.