In the haunting marshes of the Florida Everglades, the Bigtree family's alligator-wrestling theme park, Swamplandia!, faces dire straits following the death of its star attraction and matriarch. Thrust into precarity, 13-year-old Ava Bigtree grapples with her own grief while attempting to uphold the family legacy amidst a swamp thick with mystique and peril. When her sister seemingly succumbs to a supernatural romance and her brother defects to a rival park, Ava is pulled into an otherworldly odyssey that pits her against the beguiling dangers of the swamp's Underworld. As the Bigtree legacy teeters on the edge of collapse, young Ava's journey becomes both a fight for survival and a mystical venture into the deeper reaches of the Everglades' ensorcelled landscapes. 'Swamplandia!' is a story of resilience, family bonds, and the transformative power of a wild, untamed nature.