Based on Robert Louis Stevenson's classic 'The Strange Case of Dr. Jekyll and Mr. Hyde', I,Monster is a terrifying journey into the darkest depths of the human mind starring Christopher Lee (The Devil Rides Out, Rasputin, The Mad Monk) and Peter Cushing (Dr Who and the Daleks, Beast Must Die).
Dr Charles Marlowe has dedicated his life to the healing of disturbed minds. Marlowe rejects the findings of Freud in his recently published papers for being too slow and decides to explore a more immediate and physical cure for his patients problems, namely character modifying drugs.To his solicitor Utterson and friend Dr Lanyon the Doctor confides that his experiments are causing in unpredictable character changes in his subjects - he daren't continue the experiments on others
and decides to use himself as his test subject, with astounding and bloody consequences.
Eccentric millionaire Tom Newcliffe (Calvin Lockhart) is a big game hunter with a dream of capturing the biggest prey of his life - a werewolf! To this end, he invites a number of guests to his estate, all of whom have shady and suspicious pasts, and it is Newcliffe's belief that one among them - the one that will become the hunted - is about to become a blood-crazed werewolf. But which one? When an outbreak of violence occurs on the first night, Newcliffe informs his guests that they must remain throughout the cycle of the full moon. The servants have been dismissed, the phones disconnected. They are captives at the mercy of each other's beastliness. As the horrors mount, the fearless hunter begins to realize that he is a mortal pitted against powers beyond man's understanding...but he will not, can not stop the hunt.