Bai Ye, an ordinary social worker, was recruited as an "intern errand" due to an accident, but his lifeless new life unexpectedly turned upside down. He takes the happy-go-lucky bun king Shitou, the poisonous-tongued mentor Xiao Ming, and the mysterious female painter Lin Xiaoying to fight monsters and catch ghosts between the underworld and the underworld, and uncover a series of bizarre and unjust cases. As the adventure deepens, Bai Ye gradually grows up and awakens his yin and yang eyes. They discover that there is a huge conspiracy of rebellion and revenge of the undead behind it. In the end, Bai Ye leads the team, breaks the restrictions with wit, uses humor and courage to defeat the shadows of the past, maintains the balance between the two worlds, and gives the soul a reason to leave with a smile.
