40 Sexy Horror Movies to Spice Up Your Scary Movie Nights

If sinister and sexy had a baby, it would be "Posession." When Anna tells her husband that she's been having an affair, she leaves her family behind. Not long after, her husband hires a private investigator to follow his ex to keep an eye on her. He soon finds out that Anna is going mad, and that there might be something more sinister going on.

Watch "Possession" on AMC+.