Point of Terror (1971) on Netflix

Plot summary

Tony Trelos sings at a club by the ocean in California. Nightmares in which he is caught up in adultery and murder disturb his sleep. When he wakes, he cannot tell whether any of it happened. One afternoon Andrea Hilliard, a wealthy woman, approaches him on the beach. Her husband Martin, who is crippled, runs a record label. That night she comes to watch Tony sing and offers him a record deal. Tony starts an affair with her and pays less and less attention to Sally, a woman he had been involved with before. Martin also has a daughter, Helayne, studying in Europe.