Once You Kiss a Stranger (1970)

Storyline

Jerry, a Southern California golf pro is the target for Diana a disturbed young woman who desires the death of her shrink, who alone realizes her psychotic potential and seeks to have her committed. She suggests to Jerry that they “swap” murders – she’ll kill his golf rival and he’ll reciprocate by killing her psychiatrist. When she holds up her half of the bargain, she expects him to follow through with his end.