Detective Roy Grace is approached by his colleague Branson to help investigate the disappearance of a Brighton property developer who vanished halfway through his stag night.
When a body is dredged up from the sea, it sets off a disturbing investigation. It forces Grace to ask himself how far people could go to save their loved ones.
Grace and Branson are called to the site of a tragic road traffic collision where an unexpected discovery suggests more to the case than meets the eye.
A missing persons incident soon becomes an investigation bigger than Grace could ever have imagined as his team hunts for a sinister and evasive offender.
Grace's team is caught in a deadly game of cat and mouse when they aren't the only ones trying to trace a missing person who may have fled to Brighton.