For Ah Shi, the summer of the millennium was the most beautiful time. He met the blooming youth Xiao Ping, and walked hand in hand through that colorful age, writing the beginning of the poem of life. Facing the uncertainty of the future, the two always faced it optimistically and planned. Until one time when Ah Shi's father visited the military camp, the consensus of long-term coexistence was changed, and they fell into the restless atmosphere of the times in 2006. After entering the society, the pressure of reality wore away the originally beautiful love, making Ah Shi's departure an inevitable reality. Ah Shi and Xiao Ping fell in love under the bright sun, separated at sunset, and hugged again. Four years had passed. The clear eyes of the two had been quietly dimmed by the torture of time, and they were increasingly far away from the brilliant figures of the year... After going through twists and turns, can the reunion make them recite the poem of life that describes the peaceful years?