Thriller (1975) Season 5 Episode 3 - Won't Write Home Mom, I'm Dead

Young American Abby Stevens is searching for her fiancé Doug. She hopes to find him visiting Alan Smerdon at an artists' commune in the English countryside. Alan is not only Doug's close school friend, but a distant cousin to Abby. However, Alan and the other artists claim Doug has never been to their village. Nevertheless, Abby shares a psychic bond with Doug, and is certain the visions she is receiving are connected to the commune and that Doug may be in danger.
—L. Hamre

Source: IMDB