In 1925, the warlord Zhang Zongchang brutally suppressed the strikers at the Rishang Yarn Mill in Shandong, causing a tragedy and arousing public indignation. Some aspiring young people threw themselves into the struggle against Zhang Zongchang. Gong Jinshou, Yang Lin, Nie Tianhong, Han Dong, and Sun Jingyu five young men became brothers under such a background. Follow the revolutionary team led by the Communist Party and the Kuomintang. Under the influence of several communists, Gong Jinshou, Nie Tianhong, and Yang Lin gradually strengthened their belief in loving the people and saving the country, and grew from confused little people to veritable communist fighters. Sun Jingyu wavered, only seeing immediate benefits. Han Dong is also a realist, mentally weightless, and the two of them enriched the Kuomintang team in a daze. Both Gong Jinshou and Sun Jingyu like Situ Xiaoyun, but Situ Xiaoyun prefers the upright and kind Gong Jinshou. In an operation where the Communist Party completely occupied Shangfeng, Sun Jingyu waited for an opportunity to escape and was stopped by Situ Xiaoyun. Sun Jingyu shot and killed Situ Xiaoyun. In the torrent of the times, people have made different choices