Since the abrupt and highly questionable death of his parents, 12-year-old Damien was in the control of the wealthy aunt and uncle (Lee Grant and William Holden). Widely supposed to become the Antichrist, Damien plots to grab control of his uncle's business empire - and the world. Meanwhile, anyone attempting to unravel the secrets of fiendish future or Damien's black past matches with a cruel and speedy demise.