An alien touring the galaxy breaks away from her group and meets two young inhabitants of the most dangerous place in the universe: the London suburb of Croydon.

A cantankerous but ailing bartender takes a kindly young homeless man in under his wing.

Fran and Jamie are best friends and business partners - they just happen to kill people for a living. Having stumbled into a career in contract killing, the misfit duo are definitely not your typical killers for hire.