Strangers on a Train (1951)8.0 /10

Storyline:  After meeting on a train, Bruno Anthony shares with Guy Haines, an amateur tennis player, his disturbing theory of how two strangers can exchange murders without being discovered: if Guy kills Bruno's father, he will kill Guy's wife, whom Guy wants to divorce. Without prior agreement, Bruno does his part, dragging the young man into a plan that could ruin his life.