Derailed

Tense thriller about two people who meet on a train and begin an affair. They are discovered by a violent thief who blackmails the pair with the threat of revealing their adultery. Worn down by his home life and with the demands of his daughter's illness, a publicist arranges an adulterous rendezvous with a beautiful stranger in a hotel. Their affair is invaded by a brutal thief, however, and because of the illicit nature of their relationship and reluctance to go to the police, they find themselves powerless to resist the every demand of the thief.