Finn Wallace, London's most powerful criminal, is dead - and nobody knows who ordered the hit.

The taps are off for all gangs in London except Asif Afridi, so frustrated Kurdish gang leader Lale decides to hit a shipment of his cows that are being used to smuggle heroin. Elliot makes a connection with a key member of the Dumani family. Sean unleashes his fury after he makes a discovery about his father’s murder.

Lale is asked to make an impossible decision. Will she choose her homeland or her family? Sean enacts a dangerous plan. Elliot takes on a new foe. Ed is confronted with shocking evidence of Finn’s deal with Luan.

Elliot's loyalty is tested by an increasingly suspicious Ed Dumani. Sean throws a dinner in an attempt to unite the two families. Alexander is asked to meet with some of Finn’s old contacts.

The truth about Finn’s murder is revealed - and The Wallaces and The Dumanis will never be the same again. Meanwhile, Luan is forced to confront the deadly consequences of his actions. Elliot provides Vicky with enough information to make her move.