An overworked executive vacationing in Hawaii finds that his romance with an attractive businesswoman he meets there is threatened by the supernatural powers of a strange native curse on his bloodline.
Practical Effects
The werewolf makeup looks like a party city clearance rack
Production
Hawaii location shooting elevates the cheap TV aesthetic
Acting
Robert Foxworth commits harder than this script deserves

Director
Bruce Kessler
Trivia, insights & behind the scenes
Debralee Scott later became a frequent panelist on 'Match Game' — her horror phase was blessedly brief.
This was part of CBS's late-70s push into TV horror, competing with ABC's 'Kolchak' and NBC's barely-existent efforts. It lost.