After their leader is taken down by Carrie, the Mutant Gang retaliates against Gotham by taking hostages at the annual Founder's Gala, forcing Turner, Duela and Harper to come out of hiding to save the people of Gotham. Elsewhere, Cullen infiltrates the GCPD after the team uncovers a possible connection between the Court of Owls and the death of another Wayne family member. Lastly, Harvey makes a big decision about his future. (thetvdb.com)