The first wave of an alien invasion coincides with a New Years Eve party in a Welsh valley.
The shocking murder of a nurse opens old wounds in a small-town community, throwing a historic conviction into doubt, raising the horrifying prospect of a copycat killer and reuniting two former lovers tasked with finding the killer.
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.
