Dr Jekyll is a respected physician and chemist. But his close friend and colleague, Gabriel Utterson and Dr Hastie Lanyon, are beginning to question the direction of his scientific research and his close association with Mr Hyde. Secretly, Dr Jekyll has discovered a chemical that can unleash his dark side in the guise of the sinister Hyde. Now able to transform himself at will, he roams the streets of London as his monstrous alter-ego, spreading fear and evil across the city. Dr Jekyll, the master of his own fate, soon discovers his double life comes at a hideous price.