Tonton Streaming Hardcastle and McCormick (1983) S1E6 - The Black Widow

Hardcastle wants to investigate a woman named Tina Grey. When Hardcastle goes to the police for info, a Captain Filapiano, who doesn't like Hardcastle, asks him to leave. Hardcastle then tells McCormick to get close to her. As they get closer, a gangster named Joe Beiber, whom she has been seeing, and who is insanely jealous abducts them.