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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Kaa Colin, ambaye ni mwashi mashuhuri zaidi kwenye ukingo wa mto wa mashariki, hakusita kuwasaidia marafiki zake. Baada ya kufanya kazi kwa bidii kwa wiki nzima, lile banda la samawati la bustanini ambalo ni ndoto ya maisha yake bado halijakamilika na jamii ya samaki wenye machachari wametwaa madaraka kwenye eneo la mjengo.
Kwa uchovu, Colin anajifunika kwa blanketi na kukataa kufungua pazia yake. Marafiki wa Colin wanatamaukwa. Mkutano wa dharura unaandaliwa. Ni wakati wa marafiki kuchukua hatua.