One day, in the family manor, four cousins discover a passage leading to a mysterious world. Trapped in this unearthed land, the Kingdom of Keoherus, they must confront the Guardian of Time, face dark forces and beasts to hopefully get back home. 　　译文(2): 一天，在家族的庄园里，四个堂兄弟发现了一条通往神秘世界的通道。被困在这片出土的土地，基奥赫鲁斯王国，他们必须面对时间守护者，面对黑暗势力和野兽，希望能回家。