As spring breaks along the Mississippi, melting snow and ice create a flood of epic proportions. For fish, high water comes as a blessing, nourishing the banks with rich soils and allowing easy passage to breeding grounds. But others aren't so lucky. The deluge washes beavers and birds out of their homes, leaving them vulnerable to a host of forest predators. Coyotes and bald eagles make easy meals of refugees. And for those with newborns, the stakes are even higher. As the flood barrels downstream, the beast that is the Mississippi River reveals its true personality: part destroyer, but also part miracle worker.