The innocence of an idyllic small town is torn apart when famous TV puppet 'Froggy Doo' is kidnapped and held for ransom. A Plumm Summer tells the remarkable tale of two young brothers, Elliott and Rocky, and their new neighbor Haley, who go head to head with the FBI in order to crack the 'frog-napping' case and get their beloved Froggy Doo back on the air, all the while becoming local heroes and best friends.