Guest House

Guest House is a movie starring Mikaela Hoover, Aimee Teegarden, and Billy Zane. An newly engaged couple's buys their dream house but it comes with one small catch, a perennial party animal who lives in the guesthouse.
A newly engaged couple finds the home of their dreams and it quickly becomes a nightmare when the previous owner's friend continues squatting in their guest house. It leads to a turf war that ultimately ruins their house, their marriage and their lives.