Abby

A marriage counselor becomes possessed by a demon of sexuality when her father-in-law, an archaeologist and an exorcist, accidentally frees it while in Africa.

Abby is a 1974 horror movie directed by William Girdler, starring Austin Stoker, Terry Carter, William Marshall. It holds an IMDb rating of 5.5/10 from 1,241 votes and runs 1h 29m.