Please answer the following question: Build a movie plot around this: What happened to the lighter Bruno was carrying that caused a delay? He accidentally dropped it down a drain
A:
Criss-crossing railroad tracks are an image used in the filmAmateur tennis star Guy Haines (Farley Granger) wants to marry Anne Morton (Ruth Roman), the daughter of a senator, and pursue a political career. First, he must divorce his vulgar and promiscuous wife Miriam (Laura Elliott). On a train, Bruno Anthony (Robert Walker) recognizes Guy and knows about his marital situation from the gossip pages. Bruno introduces himself, then proposes an idea for the perfect homicide: he and Guy should "swap murders". Bruno will murder Miriam, and in exchange Guy will kill Bruno's despised father. Each would be killing a stranger. Having no identifiable motive for the crimes, neither would be suspects. Guy humors Bruno's absurd murder plot by pretending to find it amusing. Bruno interprets this as agreement to the scheme. Bruno then borrows Guy's monogrammed cigarette lighter and slips it into his own pocket.Guy meets with Miriam. Pregnant by someone else, she now refuses to give Guy a divorce and threatens to cause a scandal. Guy relays the bad news to Anne, metaphorically commenting that he would like to "strangle" Miriam. Meanwhile, Bruno stalks Miriam through an amusement park and fatally strangles her on the "Magic Isle". Bruno then informs Guy that Miriam is dead, and expects him to follow through on murdering Bruno's father. Bruno sends Guy his house key, a map to his father's bedroom, and a pistol.When the police question Guy about Miriam's death, he claims he was on a train at the time of the murder. The police determine his alibi is inconclusive because he could have left the train in time to commit the murder and continued his trip on another train. Guy is not arrested, but the police assign an officer to trail him to ensure he does not flee while they investigate.To pressure Guy into fulfilling his obligation, Bruno introduces himself to Anne and meets Anne's younger sister, Barbara (Patricia Hitchcock), who physically resembles Miriam. Soon after, Bruno appears uninvited at a party at Senator Morton's...