They’re Playing With Fire (1984)
Starring: Sybil Danning, Eric Brown, Andrew Prine
Directed By: Howard Avedis
Link to Trailer: [youtube]
The Plot: A married college professor decides to seduce her student, whom she hired as a handyman for her yacht. The hesitant student succumbs to his buxom professor, but their romance is interrupted by her corrupt husband and a masked murderer.
Comments: Enjoyable cheapo 80s film, available for free on youtube. Has it’s own theme song, which I like, and Sybil Danning is amazing. She spends very little time fully clothed.