An old chest left behind by his grandfather sets the ordinary young man Tang Yao on an unexpected path of cultivation. Beneath the bustling city, opportunities and dangers intertwine. Street clashes, challenges from formidable foes, and one trial after another continually disrupt his once-peaceful life. From enduring hardship and backing down to bravely facing his opponents, Tang Yao gains power through rigorous trials and learns to read people's hearts. What secrets does the old chest hold? Faced with an unknown destiny, he chooses to seek answers in his own way and forge a path of cultivation that belongs to him in the mortal world.