The second part of Tong Lin's Biography by Dan Tianfang told the story of Tong Lin's adventures in the martial world. After going through a series of tests, he became a true martial arts expert. In the second part, Tong Lin encountered many new enemies and challenges, and at the same time, he also discovered the doubts and perplexities in his heart. He kept exploring himself to find the answer and finally became a stronger and more complete person.