With less than a day to go until the end of the world, things are seeming hopeless to Luke and Jordan when an offer of help unexpectedly arrives from the last place anyone would have expected.

Ahab Goldstein is a seventh-grader living in an United States (specifically Maine) where the environment has turned toxic, and the corrupt Environmental Police Force is in control, limiting access to natural resources like gas and water, issuing fines, and transporting "fragile" species (pretty much all of them) to the Center for Species Rehabilitation in New Arcadia (a dubious refuge at best); so when Ahab and his friends find a real live bullfrog...