Mary and Statton's one-night stand at a hotel gets interrupted by a robbery, and the complete strangers are forced to help each other navigate the seedy underbelly of a sleepy Welsh island in order to get back their stolen property.

Gillian is an aspiring playwright married to Oliver, a small-time DJ for all occasions. Their marriage has hit the Seven Year Itch, and this neurotic pair want to scratch that itch until it bleeds.