Dr. Henry Jekyll, finding that his father is trapped in madness and believing that both good and evil reside in each person, devotes his research to developing a cure for mental illness to save souls. Having been denied permission to use a hospital inmate for his experiments by the hospital Board of Governors, Jekyll tests his potion on himself, releasing his own evil side, Edward Hyde. As Hyde, he violently murders all those he considers hypocrites, especially society people who frequent brothels like the Red Rat Pub. As Jekyll he is betrothed to Emma Crewe and as his wedding guests assemble for the ceremony, Hyde emerges, and in a struggle, Hyde falls on a sword concealed in his lawyer’s cane. As Jekyll surfaces, he dies in Emma’s arms.