Watch Twins of Evil (1971) (1971) HD Full Movie Free on solarmovie.do. Watch Twins of Evil (1971) (1971) online free. A religious sect led by Gustav Weil hunts all women suspected of witchcraft, killing a number of inn...A religious sect led by Gustav Weil hunts all women suspected of witchcraft, killing a number of innocent victims. Young Frieda, Gustav's niece, will involve herself in a devilish cult, and become an instrument of Justice in the region.