Thomas Richter, a lawyer, meets a beautiful woman, Leyla, at the swimming pool one day. Thomas is not the most handsome or the youngest, but Leyla seems to fall for him anyway. After she has spent one night with him, she disappears from his life without trace. When a little later Thomas visits a client, Blum, a man who had served a lengthy jail sentence for murder and was receiving psychiatric treatment, he happens to see Leyla again. She works in the canteen of the company where Blum has been put to work in a resocialising programme. It is some time before Thomas realises that this is not a coincidence. When the danger becomes apparent to him, he doesn't have much time left.