Fang gets a illness, so Uncle Oswich and Dave take her to the doctor. The doctor says that Fang gets the illness that only monkeys get. Fang can only get the cure from the island far far away. The cure is berries. After a long cruise, they reached the island. Fang sets out to find the berries but she is taken away by a pack of monkeys. They accept her at first but when eats the berries and she isn't cured, Fang realizes she is not a monkey. But she is in trouble when she gets chasen by monkeys and Dave is chasen by gorillas.