Satan's Slave (1976)

A woman traveling with her parents to her uncle's house crash near his house; her parents die but she survives. She stays with her uncle, but it becomes clear that he and his son are planning something sinister for her.

Satan's Slave is a horror movie featuring James Bree and directed by Norman J. Warren.

Satan's Slave is currently streaming for free (ad-supported) on Cineverse, Plex and Plex Player and it's also available on Midnight Pulp, Screambox and Screambox Amazon Channel.