Jules and his friends were lucky to be chosen to represent the school on the excursion to the island of Yeu! But after the initial euphoria, the problems arise just after setting sail. A storm will compel Jules and his friends to display their best abilities to rule the ship. And that is only the beginning of a risky adventure ... It is clear that his enemies, The Order Against Progress, have set their minds on making it difficult for them to return to their homes.