Im thinking of a movie that is about a guy who is about to get married and he receives a letter in the mail that contains a list of everyone he slept with up to his wife (which was his last) and continues with names of women he will sleep with before his wedding and he doesn't know how its happening but its seems to be happening in order...

Please help

Sex and Death 101 (http://www.imdb.com/title/tt0497972/)

A film, police officer hass friend who try to take his post . Friend tell him wife has other effeir and hee kill his wife after he know he is wrong he get suside