Pink Elephant (2017)

The film is about a Bosnian bourgeois family welcoming back the studying-abroad daughter and his new Italian boyfriend. After the initial enthusiasm, things start to change when the father notice a tattoo on her daughter's back. He abruptly changes his behavior towards the girl, seeming not able to look at her in the same way as before. We soon find out that the father is a porn addict, and he is convinced that tattoo is the same shown in a porn video he recently had seen.