The Widow and The Devil 1984 on netflix

The rich widow Hanan frequently visits the shop where Lubna works, which plans with her lover Atef to blackmail Hanan. Hanan gives them a room attached to the villa garden to get married. Atef succeeds in seducing Hanan into his love, Lubna rebels against them, so Atef claims to kill her and hides her body in a deserted place, a telephone woman threatens her to report the police about the crime to blackmail her.