The Devil of Kreuzberg (2015)

Linda and Jakob are happily in love until one night, Jakob begins to have horrific nightmares in which Linda appears as a darkly seductive creature. Tormented by these visions, Jakob asks his best friend Kurt to murder Linda for him, thus beginning a slow descent into madness. Unbeknownst to the two men, Linda is acting under the control of an ancient family curse. Wi...