The Honey Pot

The Honey Pot, also known as The Honeypot, is a 1967 crime comedydrama film written for the screen and directed by Joseph L. Mankiewicz. It stars Rex Harrison, Susan Hayward, Cliff Robertson, Capucine, Edie Adams, and Maggie Smith. The film was based on the play Mr. Fox of Venice by Frederick Knott, the novel The Evil of the Day by Thomas Sterling, and loosely on theplay Volpone by Ben Jonson.

The three women warily size each other up. Mrs. Sheridan boldly announces that the others might as well go home, as she is Foxs commonlaw wife, and they can expect to inherit nothing. However, when Sarah returns from a latenight date with McFly, she finds her employer dead of an overdose of sleeping pills, an apparent suicide. Police Inspector Rizzi Adolfo Celi investigates.Sarah knows that the pills Mrs. Sheridan had been taking are harmless fakes. McFly has already revealed to Sarah that Fox is perpetrating a charade, and that the final joke is to be the reading of the will, empowering McFly to choose the heir. She therefore suspects him not only of being the murderer, but also plotting to kill Fox. When she confronts McFly, he locks her in her room, telling her it is for her own safety. She manages to escape via a dumbwaiter and warns Fox. However, his displeased reaction puzzles her. He sends her back to her room. ........

Source: Wikipedia