Tommy orchestrates the grand finale of his long game to take over Chicago's drug world; when he is faced with devastating personal sacrifices, he finds that he might just lose more than he ever stood to gain.
Tommy makes bold moves to connect CBI directly with the cartel as he hustles to stay ahead of the many adversaries out for his blood; Diamond is forced to make a decision that has dire consequences.
Tommy and Diamond suspect a snitch and put their inner circle to the test; Mireya gives Tommy a key piece of information; the war between Miguel and Mirkovic comes to a head.
Heightened police presence threatens Tommy and Diamond's bottom line and they form a coalition with a rival gang; Jenard hits rock bottom, and the Flynn family loyalties are tested with devastating results.
Decisions are made by those closest to Tommy which could leave him powerless. When the gangs face off, truths come to light, shifting the power of the drug game. This battle may be over, but the war is far from won.
Tommy and Diamond continue gaining territory behind Miguel's back, but Diamond is pulled in other directions; Jenard gets more than he bargained for; Tommy puts Vic's loyalty to the test.
Vic faces a devastating loss; Walter is ready to go to war and sends for heavy hitters; Tommy soon realises he needs more power but is turned down by one of his closest allies and is forced to turn to an unlikely resource.
Tommy and Diamond expand their business to prisons, the Feds put together a task force to take down CBI, and Jenard struggles to maintain control; Tommy faces off with Walter and gets closer to avenging Liliana's death.
Tommy and Diamond hustle to keep CBI's game ahead of Jenard's new faction in the streets, while Tommy makes solo moves to avenge Liliana's death; all the while, Tommy hasn't forgotten his ultimate goal to become a kingpin.
Jenard's crew seeks revenge as Tommy learns of a rivalry between Miguel and the Serbs that he and Diamond leverage to CBI's advantage; the Feds pursue a task force with Tommy at the center of the investigation.