Streetwise Jamie looks to lead a gang and cut old ties for a new supplier. In Jamaica, hardened criminal Dushane is at the mercy of a powerful kingpin.

Dushane returns to London. Jamie juggles family duties with risky responsibilities. Before his prison release, convict Sully is provoked by an inmate.

Strapped for cash, Dushane makes a proposition to an old friend and attempts burglary. Beefing with a rival gang, Jamie struggles to keep a low profile.

The feud between the Fields and the A-Roads escalates. A fiery attack puts Sully and Jason in peril. Dushane's plans take an unexpected turn.

As the Zero Tolerance gang asserts their power, Dushane's crew attempts to hire young recruits. When Sully becomes a target, the group prepares for war.

Ats makes his first delivery. Jamie's punishment for a detractor goes awry. After a warning from Haze, Dushane looks to eliminate the competition.

A familiar face breaks free from jail and confronts Jamie about his self-appointed leadership. Lizzie is forced to change her business strategy.

Bent on taking out Sugar and Jamie, Dushane and Sully orchestrate hits on their rivals -- until a surprise shootout shakes up their plans.

When an enemy's takedown puts Jamie back in a position of power, Dushane and Sully use their slick tactics to outsmart him.