"Strangers on a Train" is a psychological thriller novel written by Patricia Highsmith in 1950. The story revolves around two men, Guy Haines and Bruno Antony, who meet on a train and discuss their lives. Bruno proposes a chilling idea: they should "swap" murders to eliminate their problems without suspicion.
As the plot unfolds, Bruno takes his suggestion seriously and commits a murder, expecting Guy to reciprocate. The tension escalates as Guy struggles with the moral implications and the consequences of Bruno's actions. The novel explores themes of guilt, obsession, and the duality of human nature.