Watch Howling II: ... Your Sister Is a Werewolf (1985) HD Full Movie Free on SolarMovie. Watch Howling II: ... Your Sister Is a Werewolf (1985) online free. A man discovers that his sister was a werewolf, and helps an investigator track down a gang of the m...A man discovers that his sister was a werewolf, and helps an investigator track down a gang of the monsters through the United States and eastern Europe.