Alfred Hitchcock decided to take Fredrick Knott’s play; “Dial M for Murder”, and make it into a movie. The movie begins with Marc and Mary kissing in Mary’s apartment building. Mary is married, but not to Marc, her husband’s name is Tony. And Marc is a close friend to the both of them. Well I guess he is closer to Mary than Tony. Tony does know about his wife’s affairs with Marc because of letters he has found that were addressed to Mary from Marc. Though Tony has never opened his mouth about it to either Marc or his wife. He was ....