Lieutenant Jonnny Stride knows his partner Maggie is in trouble when she reports a deadly crime on a bitter winter night. Maggie's obviously hiding a terrible secret, but she isn't the only one. A seductive young woman has disappeared, leaving behind a trail of lurid fantasies and a cryptic message. With his ex-cop girlfriend Serena, Stride uncovers a sordid web of violence and voyeurism someone is determined to keep secret. As they hunt for a killer, a predator with a vicious past is hunting them. Every step they take is bringing them closer to a showdown, amid howling winds and blinding snow – where survival is measured in seconds... and crimes can be buried for ever.