Lucky (2011)

After Ben (Colin Hanks) wins the lottery, Lucy (Ari Graynor) his childhood crush suddenly becomes obtainable. But she has a hidden agenda; a desire to appropriate all of Ben's newfound wealth. Not everything is as it seems and Lucy realises that she may have married into more than she bargained for when she discovers Ben's pastimes include the occasional murder. As the bodies start to pile up, so do her problems and Lucy quickly appreciates that covering up for a fledgling serial killer is not as easy as it seems. If these newlyweds are going to make it work they will have to deal with some skeletons in their closet literally.