Believing Baxter (2019)

Alex is woken by his girlfriend, Ruth's, erotic groaning. He thinks nothing of it until she starts repeating the name 'Baxter'. The pleasure this Baxter elicits from Ruth is unbearable for Alex so he wakes her and demands to know who this Baxter is. The revelation will shock and disturb Alex and in the end cost him more than he could ever had imagined.