In the early 1990s when the Chinese men's table tennis team is at a low ebb, head coach Cai Zhenhua is tasked with forming a new team to finally fight to the top at the 1995 World Ping Championship in Tianjin, China.

In the vast space, the astronauts lost connection with the ground. He recalled his greatest father in the most desperate situation. Father and son run across time, guarding love and family. The story is full of joy, warmth, tears and wonders.

Bai Xiaoyu meets Wang Jinjin for the first time in the summer of 2010 during their college entrance exams. However, she slips through his fingers and they don’t see each other again until an unexpected meeting during college graduation season. The pair fall in love and date, but marriage seems impossible when they come from such different worlds. Bai Xiaoyu fears he will lose Jinjin once again like before.