The island of Nantucket was swept by a cosmic disaster into the year 1250 B.C. The new Republic of Nantucket is now threatened by renegade Coast Guard officer William Walker, who is making alliances with the Trojan War heroes Agamemnon and Odysseus. The Republic and Walker deal with Bronze Age Greece, Phoenicia, and Babylonia, ancient regimes changed by the modern technology the time travelers introduced.

Sarah Connor and her son, John, know the grim tomorrow that awaits their species if the Cyberdyne Corporation gets their Skynet system on-line. Targeted for annihilation because of their future destinies, the Connors have already survived two separate attempts on their lives by advanced Terminator killing machines. But enough T-800 detritus remains from their last life-and-death struggle to enable Cyberdyne to recover. The nightmare is back on track....