Four youngsters (the Swallows) on vacation in the Lake District cruise all alone to an island and begin a war with adversary kids (the Amazons). Meanwhile, a baffling man on a houseboat blames them for a wrongdoing they didn#39;t confer.
Around two distinct gatherings of youngsters who experience each other on a little land parcel in a lake which they both live by. Both gatherings attempt to guarantee the land as theirs and do as such pretending as two arrangements of foe privateers. While this happens they experience another vessel and a more abnormal, they should now cooperate to work out his identity and why he is there, however have they got themselves required in something substantially greater?