Ruan Liuzheng returns to her hometown after seven years, and becomes a neurosurgeon at Beiya Hospital. However, she didn't expect to meet her ex-husband, Ning Zhiqian, who is the most experienced neurosurgeon. Ruan Liuzheng is no longer the weak and timid girl, and she shows resolute and determination in both her work and relationship. When they were in Africa to execute medical relief efforts, Ning Zhiqian was injured in a gunshot. Ruan Liuzheng didn't leave his side, and fought hard to save him from the brink of death. The two have gained a new understanding of life, and begun a new relationship again....

In 1944, during the war of resistance between the Kuomintang and the Communist Party, the Kuomintang captain Mu Liang Feng, who was a hunter, was ordered to lead a special team to destroy the secret weapon research institute of the Japanese army that developed cyanate grenades. With the help of Zhang Jue and Liu Xiao Xian, members of the underground party of the Communist Party of China, he has gone through many difficulties and dangers to complete the task. But during this period, his father, Mu Da Ming, who was a staunch Communist, was killed, and his wife, Liu Yan, was also persecuted and lost her memory. The deeply stimulated Mu Liang Feng arbitrarily believed that the Communist Party caused all this, and began to hate the Communist Party......

Point forward! Zhou Fei's knife is created by the essence of his parents: the mother is the blade and the scabbard is the father. In the early years, little Zhou Fei's grandfather Li Zheng was poisoned from rescuing Duan Jiuniang. The puppet emperor made a surprise attack, and the Fortress of the Forty-Eight fell. Zhou Fei's mother, Li Jinrong, was a girl at the time, and her sword arts haven’t been mature. After losing her family, she rode a horse for thousands of miles to find Liang Shao's counselor Zhou Yitang for help. Liang Shao refused, and Zhou Yitang was ambiguous. So Li Jinrong went northward alone in anger, determined to assassinate the puppet emperor. Zhou Yitang couldn't bear to see her go to death, so he abolished his martial arts, and sent troops to save the village…...