Two weeks before her wedding, a stranger stops Amy in the street and warns her she’s in danger. Then that night, Matt, her fiancé, doesn’t come home. Desperate, Amy calls the police – but when Matt fails to emerge, she’s forced to call off her wedding day.
Then another man is reported missing, by a woman called Fiona – a man meeting Matt’s description, who was about to leave his fiancée for her. He was supposed to be moving in with her – but instead, he’s vanished.