Bob and Sandy live in a flooded house, in a flooded neighborhood where Leonard the alligator lurks in the front yard. During a dinner party with Reverend Keeler and his wife, Cassie, a ferocious storm hits, and the water rises even higher, forcing them to flee to the roof. The kids are missing with the boat, Keeler admits he's secretly building and ark down at the church and wants Sandy to sail away with him, Cassie tries to warn them of impending doom but gets smacked with a fish instead, and Bob is reluctant to leave because he's just gotten a big promotion at work. When their neighbor arrives to rescue them, Sandy and Bob must decide if they'll go, or stoically, probably disastrously, wait on the roof for the kids to come home.