With his wormhole research stalling and his situation desperate, Scorpius inserts the original 'neurochip' into his own brain. He hopes to make contact with the clone of Crichton's personality that spilled in to the chip when it was in Crichton's brain. When they meet, Scorpius realizes that it's not going to be easy to get the clone to share information. Meanwhile, a defecting Peacekeeper scientist offers Crichton the secret of wormhole technology.

When Crichton is accused of sharing wormhole stabilizing technology with a race known as the Charrids by the Ancient who calls himself Jack. Crichton and the rest of Talyn's crew must seek out an old acquaintance who really is the guilty one.