Deviant (2017)

Jake, a young sexual addict, has an incestuous interest in his elder sister, Molly who has been away with her boyfriend for 2 years and discovers that his deviant mind switches to her, in his darkest sexual fantasies and desires. He has sex with many women including hookers, swinger couples and goes sex clubs, but he can't take her sister out of his mind. And she returns after separating from her boyfriend.