Peter agrees to have his brain examined, in an effort to determine if humanity's behavior is due to a biological condition. After much study, the aliens discover that Peter is latently and naturally telepathic, which is apparently quite rare in the galaxy. Unfortunately, while attempting to study this further, Hoo-Lan falls into a coma, which the aliens suspect is Peter's doing. Oddly, they are made even more suspicious when, despite having given Peter free rein of the ship, he goes to a communications room and contacts Duncan to try to warn Earth of the aliens' plans.