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!-----Yuyu si Kepithing, tukang ndandani paling trengginas ing pinggire kali wetan. Ora nate ragu kanggo ngrewangi kanca-kancane sawise nyambut gawe tinemen sing suwene seminggu, paviliun sing nduweni kebon biru angen-angene isih during rampung, lan kulawarga iwak sing kasar wis njupuk panggonane gawe dandan-dandan. Yuyu, kekeselen, ndelikake awake ing ngisor kemul lan ora gelem mbukak kordene. Kanca-kancane Yuyu bingung. Banjur dianakake sawijining tetemon sauntara. Iki minangka wektune kanggo kanca-kancane Yuyu njupuk tumindak.