New-York, 1787. The editor of the "New York Herald" hears Robinson Sucroë, a bad reporter, saying he would love living on a desert island. He hires him to go and live on "The Ermit Crab Island". Sucroë will have to write his adventures and give them to the boat the New-York Herald will send every week to the isle. But soon Robinson discovers that the isle is not as desert or as dangerous as it seems ! A group of peaceful marooned people (the "Everydays") and two crews of pirates live there ! Robinson makes friend with the Everydays. One of them, Wednesday, accepts to write fanciful stories, in order to prevent tourists to come on the island. But, a jealous reporter, Uglyston, knows the truth and tries to prove that Robinson is lying...