Bold visionary, Henry Jekyll, believes he can use his scientific knowledge to divide a person into two beings--one of pure good and one of pure evil. Working tirelessly in his secret laboratory, concocting a potion that would tear at the core of what makes a man human, he eventually succeeds--but only halfway.<br><br>Instead of separating the good and evil halves, Jekyll isolates only the latter. What seems at first a relief to the doctor becomes a nightmare as he loses control of the transformation. His friends feel Jekyll will waste away and fear the worst.<br><br>Can Jekyll undo what he has done? Or will it change things forever?