Visiting her grandmother in the Louisiana bayou, ten-year-old Maddy begins to realize that she may be the only sibling to carry on the gift of her family's magical legacy.

When four swamp creatures looking to cross a river come upon a log that would allow for precisely that, they can't believe their luck. But a questionable tail adjacent to that log gives them second thoughts. Opossum believes it's a sneaky tail and that they must pass it quietly. Squirrel thinks it's a scary tail that can be cowed by intimidation. Rabbit decides it's a mean tail that deserves a taste of its own medicine. As the critters exhaust approaches...