Hi.. I saw this movie some 10 years back. This was an adult movie. The hero goes to other city and while he is in restaurant sees a girl having quarrel with her boyfriend. The boyfriends leaves her and the hero pays her bill. Then the girl falls in love with the hero and have sex and all.. After few days the hero returns his home city without informing the girl. The hero was, in fact married. The girl somehow comes to know address of hero and manage to take job of governess in hero's home. There are few more sex scenes and thereafter the hero comes to know that the girl is slut who slept with one of his colleagues and his son as well. At the end.. He kills the girl. Please let me know name of this movie..

Friend of the Family II (http://www.imdb.com/title/tt0126312/)