Black Snake Moan (2007)

In Mississippi, the former blues man Lazarus is in crisis, missing his wife that has just left him. He finds the town slut and nymphomaniac Rae dumped on the road nearby his little farm, drugged, beaten and almost dead. Lazarus brings her home, giving medicine and nursing and nourishing her like a father, keeping her chained to control her heat. When her boyfriend Ronnie is discharged from the army due to his anxiety issue, he misunderstands the relationship of Lazarus and Rae, and tries to kill him.