When a reformed raincloud teams up with a shipwrecked sea-postman and a magic walrus, the three form the Middlemost Post — the wackiest and most loveable postal service on Mt. Middlemost.

When Buy More computer geek Chuck Bartowski unwittingly downloads a database of government information and deadly fighting skills into his head, he becomes the CIA's most vital secret. This sets Chuck on a path to become a full-fledged spy.