The daughter of the distinguished Yuan family iskidnapped, loses her memory after waking up and her temperament changes drastically. She runs away from home in order to escape the engagement, changing her name into A Yuan and disguising herself as a small man catcher in Qinhe County. At the same time, Jing Ci is assassinated on the way to send his sweetheart to marry others. After he survives, he also comes to Qinhe County as a county official and becomes A Yuan's colleague, secretly protecting A Yuan. A Yuan devotes herself to punishing the treacherous, trying to keep the people safe. However, murders occur frequently in this mall county. Jing Ci and A Yuan are approaching the truth step by step, but also encounter heavy resistance. Soon, A Yuan discovers that she is not the real daughter of Yuan family, and Jing Ci is not just a small county official. When A Yuan breaks with Jing Ci and marries another person, another murder case occurs in the capital and A Yuan is suspected and jailed. In order to save A Yuan, sickly Jing Ci finally finds the instigator behind the scenes, and takes A Yuan away from the crisis.

In 1941, European mathematicians Lan Zhibing and Zeng Jieru couple deciphers the Japanese army’s telegram code and returns to China with their son, Lan Tian, and joins the New Fourth Army. Unexpectedly, the information is leaked. When they just arrived in Jiang City, the Japanese invaders set an ambush and the couple is arrested and died. Lan Tian, who mastered the codebook, is rescued by the New Fourth Army, but the Japanese invaders close the city gate to round up Lan Tian. Yin San, the captain of the Jiang City security team, was an underground Communist member, but lost contact with the party in an accident. In a critical moment, he takes on the task of protecting Lan Tian and starts dealing with Japanese military police captain Takahashi. For safety, Yin San hides Lan Tian in the backyard of the hotel. With the help of the hotel owner Jin Xiangyu and others, he tries his best to protect Lan Tian. In order to send Lan Tian out of the city, Yin San overcomes many obstacles, and finally gives up his life for righteousness and dies with the enemy together. Under the escort of the New Fourth Army, Lan Tian and others leave in Jiang City by train to the communist base. Communist organization decides to declare Yin San as a revolutionary martyr.

The Kunlun sect has always been the first decent sect and leading the martial arts for many years. To protect the world, Li Jingtian, the head of Kunlun sect, fights against the Green-robed Ancestor who is trying to snatch the blood spar and puts the blood spar into the talented Ding Yin. Ding Yin becomes the disciple of Kunlun sect and starts practicing swordsmanship in the Zu Mountain, vowing to seek revenge from the Green-robed Ancestor for the people of the world. Occasionally, Ding Yin discovers that Yu Luocha, the Green-robed Ancestor’s daughter, is exactly the same as his beloved wife, and they fall in love. At this time, there is an undercurrent in the Kunlun sect, and a martial arts catastrophe is about to come. Ding Yin, together with fellow men Dan Chenzi, Li Ziying, Zhou Qingyun, and his sworn brother Xiao Zhang, go through hardships and obstacles. Ding Yin sacrifices himself in order to save all human beings, and die with his enemy, Green-robed Ancestor. Yu Luocha is heartbroken and starts wandering alone, fulfilling Ding Yin's wish and benefiting all living beings. Dan Chenzi stays in Kunlun alone and takes over as the head of the Kunlun sect.