Colin the Crab, the most skillful builder on the eastern riverbank, never hesitates to help his friends. Now Colin is busy with his own new project-a garden pavilion for his home. But after a week of hard work, the pavilion of his dreams is still unfinished. Even worse, a boisterous fish family has taken over the construction site. The exhausted Colin buries himself under a blanket and refuses to open his curtains. Puzzled, Colin's friends call an emergency meeting-it's time for them to take action!

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Kalle Krabi on koige osavam ehitaja joe idakaldal ega kohkle kunagi, et oma sopru aidata. Parast nadalaid rasket toeoed on tema sinine unelmate ajapaviljon ikka pooleli, ja tema ehitusplatsi on vallutanud poeoerane kalaperekond.

Kurnatud Kalle peidab end voodisse teki alla ja keeldub avamast kardinaid. Kalle sobrad on hammingus. Kutsutakse kokku erakorraline koosolek. Seekord peavad sobrad midagi ette votma.