Song Youfu, a man of extraordinary dedication, left his homeland in secret twenty years ago to serve his country, dragon land, in a covert scientific mission. For two decades, he lived under a false name, sacrificing his identity for the nation's greatest secrets. Upon completing his mission with honor, he chose to abandon his high status and return home to reunite with his family and rebuild his village. However, a tragic accident on his way back left him with the mind of a child. Returning to his village, Song faced rumors, misunderstandings from his loved ones, and traps set by corrupt officials and greedy businessmen. Under immense stress, Song's mind gradually cleared, and with unwavering resolve, he confronted the misunderstandings and money-grubbing villagers. In the end, justice arrived, revealing his true identity, clearing the misunderstandings with his loved ones, and punishing the villains.