Power Book IV: Force

Following CBI's shootout with the Flynns; Tommy has his heart set on finding Liliana's killer within the Flynn organization. Tommy makes solo moves to avenge his dead friend in the shadows; but Diamond pulls his focus to developing an edge over their new competition: Jenard's faction; the Treasons. All the while; Tommy hasn't forgotten his ultimate goal of taking over Chicago's entire drug network. He insists on meeting CBI's drug supplier; Miguel Garcia; leader of the Insane Princes with a direct line to the Estrada Cartel. Tommy is already on rocky footing with Miguel when he meets the drug lord's sister; Mireya; and discovers a mutual attraction that both are determined to resist. Meanwhile; Jenard is hustling to get ahead of CBI in the streets. When he oversteps; Tommy reacts with a decision that sets off a chain reaction of violence for the rest of the season.

CBI's successful expansion puts Tommy and Diamond's heads on a swivel. Jenard clashes with his crew, leading him down an even darker path. Claudia gets back in the drug business by teaming up with her former enemy, the Serbs. And D-Mac tries to obey Tommy by setting his sights away from CBI, but he ends up entangled deeper in the drug game than he ever intended.

Heightened police presence threatens Tommy and Diamond's bottom line and they form a coalition with a rival gang. Tommy vows to keep D-Mac in line, but when D-Mac continues to defy him, Tommy must resort to drastic measures. Jenard hits rock bottom. Miguel proves how dangerously protective he can be of Mireya. Claudia and Vic's sibling bond is tested.

Tommy is kicked into high gear when Stacy begins closing ranks. Vic scrambles to avoid the consequences of his actions on all sides. Gianna gives Diamond an ultimatum if he wants to stay in Leon's life. Tommy makes moves to connect CBI directly with the Cartel. Mireya and Tommy's relationship is tested when he crosses a boundary. Claudia tells Shanti that she's in business with the Serbs, motivating Shanti to make a bold play. Tommy learns of an urgent problem within CBI. Diamond experiences a devastating blow, forcing him to make a decision that has dire consequences.