Wild threesome with a strange anonym girl and wifey

Phil (Seth Gamble) arrives home one day to find a strange girl, Tracy (Jane Wilde), claiming he's her parent. Phil is shocked and confused but grows even more disturbed when his wife, Nancy (Charlie Forde), seems to be playing along. It's revealed that Nancy orchestrated a swap with another household so that Phil could live out his daddy/stepdaughter porn fantasies, which she discovered in his internet history. Phil is shocked and repulsed, and storms off. Tracy is saddened but Nancy assures her that Phil will come around... Multiple times later, Phil is lured in to have family moments that include Tracy, although he's not very happy about it. He's even more conflicted when there are growing hints of Tracy trying to seduce him, knowing it's part of his secret fantasy. Phil keeps trying ...