Sea of Love plot
"Deception is dangerous. Desire is deadly."
New York police detective Frank Keller is embittered by his divorce and in the midst of a midlife crisis. Together with his colleagues, he searches Manhattan for a ruthless psychopath who is after 'women's devourers'. Her strategy: she humiliates them in bed, after which she gives them a fatal shot in the neck and leaves the single 'Sea of Love' playing on the record player. The woman appears to be recruiting her victims from lonely hearts sections in newspapers. The detectives try to lure her by placing a poetic ad, to which they get dozens of responses. Keller fixes himself on a specific suspect, the blond Helen Cruger and falls in love with it too. That makes him swing between his love and sense of duty, as more and more clues point to Helen as the perpetrator...