The Wrong Roommate(2016)

Following a break-up with her unfaithful fiancé, a young college professor agrees to live at her sister’s and watch over the home and her 17 year old niece. Unbeknownst to her, a gorgeous tenant, who is friendly to her young niece, is living in the guest house. But things aren't that simple as this mysterious stranger turns out to have a troubled past with dangerous consequences.

Official site