Play Misty for Me

A 1971 film, complete with long hair and flowery shirts. A thriller set in Carmel, California and directed by Clint Eastwood, who also played the male lead - a radio DJ, Dave, who is stalked by Evelyn who listens to his show. After a one-night stand, she becomes increasingly insistent and jealous. She attacks his cleaner, and is locked in a psychiatric hospital. When she gets out she turns her attention to Dave's long-term girlfriend.