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 money rolls in for Dushane and Sully's crew, a threat gets wind of their booming business -- and neither party is ready to give up their turf.

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.

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.