Kaänga, Lance, and Helen's father fly the plane into the Valley of Mist where they find the city of Carthina, a lost Carthaginian outpost. Here they help restore the emperor to his thrown after a coup by his daughter Portia.; The colonial militia prevents the taking of a town by the Wa-kisis, and Camilla rescues a pair of white children kept captive by the tribe.; Exiled witch doctor, Kraagi, uses music to command the animals of the jungle to attack his village. Wambi uses a flute to counter the witch doctor.; Tabu ventures into the Forbidden Valley in order to find plants to counter crocodile venom and must battle the lizard-men known as dragotyrs.; Simba is captured by hunters but saves them from a rogue elephant and is allowed to go free.; A jungle siren lures unwary travelers to a slaver, but Terry breaks up the ring.; Brief natural histories of the grey parrot, concave hornbill, purple roller, secretary bird, bearded vulture, shoebill, and red bishop bird.