Jonny dreams of leaving his dead-end job as a courier. Through his childhood best friend, nephew of the notorious crime lord Ray Kreed, he wins his way into the toughest gang in North London. Hungry for action, Jonny sparks a feud between Ray's gang and a rival firm in South London headed by drug kingpin Sean and his lieutenant Matthew.

A group of friends gather for a wake, and are shown a video shot by Jude and starring them before he dies. Things go rapidly downhill.