Cat People

After Irena (Nastassia Kinski), a young woman with a mysterious past, is reunited with her brother Paul (Malcom MacDowell), a series of bizarre events is set into motion. When Irena discovers that her sexuality is intimately linked with that of her brother's--as well as with a strange human-feline metamorphosis they secretly share--the moment is both frightening and alluring. (official distributor synopsis)