Macabre (1980)

Original title: Macabro

Prepare yourself for the Shock of a Lifetime! Once she kept a lover on the side. But that's nothing compared to what she's keeping in the freezer.

A middle-aged woman, traumatized from the death of her adulterous lover, moves into a room at a New Orleans boarding house where the blind landlord becomes suspicious to her activities of continuing her affair with her dead lover.