A glittering family celebration that turns into a nightmare¿ Fear is rife in the Altes Land. The so-called "groom" kidnaps women again and again without leaving a trace. His victims are never found. The only clue: an anonymous wedding advertisement in the local newspaper, followed a little later by an obituary.¿ At a family celebration, the architect Nora and her younger sister Sofie learn of his crimes. The two dismiss the whole thing as a scary story. But the next morning, Sofie has disappeared. Although the police are investigating under high pressure, the investigations quickly reach a dead end. Soon after, Nora's greatest fear becomes a terrible certainty: in one of his macabre advertisements, the groom announces the upcoming marriage to Sofie. If Nora wants to save her little sister, there is only one way: she has to face the murderer face to face. And she doesn't have much time until he gives her his deadly yes word ...