London 1864. On a Hackney bound train, a guard discovers blood in a first class carriage - and a body on the railway embankment. For the first time,

　　海洋动物朋友布鲁达、鲍比、瓦优和普里一同在大海中踏上小小冒险，让魔法的浪花绽放为生活的点点滴滴！