In 2000, 18-year-old Ren He went out to work and wanted to escape from the complicated situation at home. By chance, he met Tang Deming in the factory. Tang Deming once again gave him the hope of life and the warmth of home. However, Tang Deming disappeared forever in one day. He thought it was just a simple strike and returned home, but the fact was more than that. Tang's disappearance was actually related to a criminal case. In order to see his lover's bright smile again, Ren He began a journey to find the truth...
What would you do if you could go back to the millennium?
Purpose: Cherish the people around you and pay attention to safety