At the scene of the underground water pipe repair of Brooklyn, the daily routine of the brothers plumber Mario and Luigi was broken by a sudden accident - a mysterious pipe sucking them into a different world full of magic and miracles.In this colorful but dangerous new environment, the two brothers were unfortunately separated.In order to find his brothers and sisters, Mario embarked on a shocking adventure, traveling through unknown areas just for the sentence "I must find you."This is not only a journey of salvation, but also the most profound witness to brotherhood.