When radio presenter Casey Fallon answers the call, she assumes it’s a prank. But then a woman’s body is discovered, and she finds herself up against a cruel and calculating killer who wants her to find his victims before they take their last breath.

Fifteen years ago, Casey was a key witness in the trial of serial killer Steve Noakes, and her evidence helped put him behind bars for the murders of five women. Someone remembers what happened that summer - someone who is desperate for revenge, someone who won’t stop until Casey has been punished....