The death of Carmine Falcone and the wave of crime that sweeps the city after the flood motivates Oz to fill the void in the criminal world left by Falcone's absence, while the Falcone children try to keep their family together.
As Sofia tries to strengthen her family's power, Oz seeks to manipulate the Falcone and Maroni families for his interests.
Oz and Sofia are forced to confront their dark pasts as they seek to control the future of Gotham's drug trade. On the other hand, Victor is torn between his new life and what remains of his past.
As Sofia faces the events that turned her into The Hangman and plunged her into a decade-long struggle for survival inside Arkham Asylum, she begins to make plans for a brighter future.
With his new operation in jeopardy, Oz makes a desperate move to turn the tide. Meanwhile, Sofia seeks to build a new legacy of her own.
Despite his enemies' attempts to lure him out of hiding, Oz seeks to expand his influence in the city. At the same time, Victor meets an old enemy from his past.
Oz fights to protect his family and his business, while Sofia makes a shocking discovery.
The truth is revealed as Oz Cobb nears the end of his journey, and his power struggle with Sofia comes to a head.