He’s the lone survivor of a lost civilization thrust into ours!
A giant storm tosses ashore a being both human and a creature of the deep. Mark Harris is the name given him by the astonished scientists who study and protect their remarkable find. Harris is equally astonished — a fish out of water eager to learn about us.
Patrick Duffy (a year before beginning his legendary run on Dallas) plays the Atlantean who uses his amazing underwater abilities to save mankind!