Young Angus "Mac" MacGyver works for a clandestine organization within the U.S. government, relying on his unconventional problem-solving skills to save lives.
A close friend of MacGyver is murdered. In searching of a reason for this assassination, MacGyver discovers a secret nuclear weapons plant right in the center of Britain.
MacGyver and his former college professor are first hunting some artifacts attributed to Zenon, an ancient scientist from Atlantis, and later the lost city of Atlantis itself.