When the difficult star of the reality television show "Expedition Survival" disappears while filming an episode in the Florida Everglades using animals from the wildlife refuge run by Wahoo Crane's family, Wahoo and classmate Tuna Gordon set out to find him while avoiding Tuna's gun-happy father.

Kira Bailey is living her dream: Cuddling koalas and bottle-feeding baby kangaroos. Kira and her mom are spending the summer at a wildlife sanctuary in Australia helping her aunt Mamie, a veterinarian, care for the animals. When Kira falls in love with an orphaned koala joey, her joy is complete--until a health emergency pulls Aunt Mamie away. Suddenly Kira can't seem to do anything right. She's put the wombats and her beloved koala joey in danger,...