En Hamlet desapareix del Bosc Blau! Ha decidit anar al mar, però els seus amics no el deixaran sol. En Bitmax, en Wagner i la Mus pujaran a una barca que els portarà a la costa, però aquest viatge? no serà gens plàcid!;Hamlet has disappeared from the Blue Forest! He has decided to visit the sea - and of course, his friends will not leave him alone. Bitmax, Wagner and Mus will board a boat that will take them to the shore, but this journey... it won't be a pleasant one! Once there, they will discover the effects of pollution. And as always, it will be a great opportunity to help those who need it most!