Dr. Jekyll and Sister Hyde

Professor Jekyll, an earnest scientist, obsessively works day and night haunted by the fear that one lifetime will not be enough to complete his research; sidetracked from his objective he becomes consumed with developing an immortality serum. Once convinced his findings are complete, he consumes the potion only to discover that he is to become two as he turns into half Jekyll and half Hyde. Desperate to cover up his new found identity he calls her his sister, but things take a turn for the worse when he realises that he needs female hormones if he is to maintain his existence. Before long he is battling with his alter ego Mrs Hyde, as a number of young girls begin to go missing in the streets of London...