Sulu takes the conn as Kirk, Spock and McCoy are away on a diplomatic mission. He and the remaining Enterprise crew journey to Duran 12, where a new species has been discovered. It appears to be the only one of its kind, and has a unique ability to telepathically communicate to distant regions of space. Its communicative abilities, though, now seem to have announced its presence to Orion pirates, who want to take the creature offworld. Sulu must find a way to protect the creature, the Enterprise, and the other Federation personnel.