In the Florida Everglades, gator-park Swamplandia! is in trouble. Its star perfo
rmer, the great beauty and champion alligator-wrestler Hilola Bigtree, has succu
mbed to cancer, and Ava, her resourceful but terrified 13-year-old daughter, is
left in charge with her two siblings. But Ava's sister has embarked on a romanti
c relationship with a ghost, her brother has defected to a rival theme park, and
her father is AWOL.