A police officer reassigned to curate a photography exhibition finds links between a series of murders.

A young woman goes missing when her car breaks down one rainy night. Her body is later discovered in a national park and for Detective Jack Kempson's offsider Sam, details of the crime mirror the disappearance of her friend Hannah, who vanished without trace some years ago. In Kempson's pursuit of the truth Sam is forced to face the sordid secrets of her past.