The crew of Moya start blacking out and missing portions of time. Pilot becomes inhabited by another entity who needs to 'taste' each crewmember to determine if they too are being inhabited.

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.