A brave city mouse joins a ship full of pirates to save the day!

Dreaming of adventure, city mouse Gamba joins a crew of Ship Mice ready to set sail – just as young Chuta bursts in, pleading for help. Stowing away on a boat, the gang heads for Dream Island to defend Chuta’s family of mice against Noroi the White Weasel and his wicked weasel clan. But is their courage enough?