Plot synopsis: In the 1980s, Ma Jin grew up in Beijing with three friends who were like brothers. After an accident before high school graduation, they drifted apart, and Ma Jin left for abroad, disappearing for years. Now a vice president of a company, Ma Jin is diagnosed with a brain tumor. Facing death alone, he longs to mend old feuds and rebuild friendships. The four middle-aged friends reunite to start a business, rekindling both old bonds and Ma Jin’s hope for life.