During the peaceful Daming Dynasty, Yuan Mo, a commoner from Changle City, encounters A Shu, a refugee from the Yanle Kingdom attempts to sneak in at the city gates. This conflict leads to Wang Kunwu being punished for failing to oversee his duties as a border general. As a consequence, Yuan Mo is inadvertently pulled into the Four Square Pavilion, where he forms a team with A Shu, Wang Kunwu, and Yuchi Hua. Together, they confront complex diplomatic challenges in their quest for justice and patriotism.
Zhang Chi, who is a professional racer, suffers a horrible accident at a race and gets seriously injured, leading to his waking up in the 21-year-old body of Lin Zhendong. He tries everything possible to prevent his 24-year-old self from repeating the same mistakes and helps Lin become a professional racer.
Banned for exposing the dark side of his law firm, a lawyer returns and faces new challenges.
Ai Changan and Shen Xia represent Huaqi employees along with other college students who have joined the company as interns. Their stories are connected to the Chinese automobile industry from which their livelihoods depended on. In the mid-1980s, a group of college graduates came to an automobile factory located in the northwest to start their internship. Shen Xia who intended to study abroad witnessed the development of the 7-ton truck and decides to stay. Together with Ai Chang'an, a young technician at the factory, they begin their journey to turning the tide for the industry. The market is ruthless such that the new generation of dedicated men and women face countless difficulties. The backbone of Huaqi has almost been completely dug out by opponents.