An uplifting and humorous story about adventure, expanding horizons and a celebration of new experiences. When a curious little mouse discovers a boat by his front door, he climbs aboard and accidentally sets out to sea. But it's not easy being a little mouse in a big world. Drifting farther and farther away, Mouse passes volcanic lands, sails through icy waters, and battles a ferocious storm . . . But will he ever find his way back home?