Summary: After descending deep into a fungal-lit crevice, Henrietta, Archibald, and Cyrus discover the hard way that they are not alone on Luna. Also answered is the fate of the Russian explorer Vladimir Tereshkova. Imprisoned, the team must find a way to escape, and with the help of a rebellious local, overthrow a mad tyrant. Only then can they even hope of making it back to Earth.
