Dr. Jekyll Vs. the Werewolf

It's the swinging 70's in London and Waldemar Daninsky is searching for a cure for his lycanthropy. He meets the infamous Dr Jekyll who injects him with a serum that turns him into the lascivious killer, Mr Hyde. He roams the modern world as both werewolf and Hyde in one body, looking for victims. In the meantime Jekyll's assistant is using "Mr Hyde" for various sex and torture games. Who will take over this poor creature's soul?