Modern young people Xie Heng and Shen Yan accidentally traveled to the past and transformed into the sons of a wealthy family in Peking and young gangsters in Shanghai. On the surface, they live their lives as a playboy, but in fact, they secretly have a desire to serve the country, and they agree to go into hibernation and face the national crisis together. The two cleverly used modern knowledge to resist foreign enemies, but they had a rift because they fled overseas. When the mountains and rivers were shattered, they returned home with their blood and a large number of armaments and joined the battlefield. Use your youth as a torch to burn out the darkness, and use your life to fulfill your solemn oath to protect your family and country.
