The emotional entanglement between the protagonist Jia Lin and his elementary school classmate Jiao Yan. As a cross-century group of people born in the 1960s, Jia Lin stepped on the tail end of society. Along with several changes in the times, he stumbled into the rapidly developing world. In the new century, they hope to break the shackles of the rope, but they cannot break away from the shackles of ideological and moral concepts that are deeply rooted in their minds, that is, they do not understand and are not convinced by the previous generation of elders, and they are not recognized by the next generation. They have become some of the most contradictory groups in China's era of change. They not only have sincere love for each other, but they can't let go of their responsibilities and responsibilities to family and society. They silently bear pressure and hardships from all aspects, constantly update and improve themselves, and constantly adapt to the changing and improving requirements of society and family. It adds a beautiful color to the development of this society.