As the Astra and Team B5 approach their next planet, Aries notices that Charce's story doesn't add up. The team confront Charce about his past, which he has kept secret until now.

Some peculiar medical readings raise Zack's suspicions about the true relationship between Funicia and Quitterie. Studying this, the team discovers the common link between the team members - the reason someone wants them all dead.