Heading home, the Fantasia's path is blocked by landmines and they are forced to go through the radioactive Tunnels of the Dead. Lilith's singing proves to be an unlikely lifesaver - but the dark tunnels bring danger and reveal a new mystery.

Birdboys attack the Fantasia. But when the precious solar converter is discovered missing, Garland and Timon believe the real traitor is within the Fantasia.