The merchant ship Laconia sailing from London to the Virginia Colony is lost at sea. Only nine cats survive. They are washed up on a tropical island only to find they are not alone. There are dogs and cats from a previous human habitation who avoid each other and especially the evil Mousadonians, 9" tall mice, who enjoy terrorizing their neighbors. The arrival of the ship wrecked cats alters the dynamic of island life leading to an unlikely alliance.