College student Zhang Xiaowu accidentally traveled to the Cass continent, which is full of magic, strange beasts and ancient civilization. He was accompanied by a mischievous monster Jilu Dandan. On his journey to find his way home, Xiao Wu encounters the cold-faced amnesia girl Ye Ling'er, the rich young man Fernando who loves to complain, and the serious knight Alan. The four of them fight monsters and level up, overcome levels and solve mysteries, and get involved in the struggle for hegemony among six major races, uncovering the mysterious identities of Ye Ling'er and Lu Dandan. They use humor and wisdom to resolve crises, redeem each other through growth, friendship and adventure, and finally face the ultimate evil that threatens the world. Faced with the choice between saving the world and returning home, Xiao Wu made his own choice.
