The Gates of Vanity (2015)

BEN, a family man befriends a homeless young man, inviting him to stay with him while his family is away. The young man begins to show signs of disturbing behaviour. A harmless rejection triggers off a psychotic reaction from the young man who holds Ben captive. Ben is broken down psychologically until he becomes completely subservient. The young man intends to blackmail Ben and control his life after Ben's release. Ben takes drastic action to reclaim his life and protect his family.