It tells the story of the fireworks life of five families in Workers' New Village in 1999, when the new millennium is about to arrive. The children have grown up through youth through friendship. Even if there are stumbling blocks and misunderstandings, they are still unforgettable in life.experience.Parents are also facing a series of changes such as family crisis and family reorganization. At the same time, adults and children jointly witnessed events of cross-epochal significance such as the return of Macau and the National Day military parade.Everyone is a participant in the big wave, and the big and small events in each family form a unique mark of the times, taking the audience back to the changing millennium.