Song Yunhui (Wang Kai) is talented, but his background is bad, and he has always been discriminated against. However, he seized the opportunity to resume the college entrance examination in 1978, seized the opportunity, worked hard, and became a technician in a state-owned enterprise. , Laid the foundation for a successful life, but gradually lost in the transformation of the new era. Unlike Song Yunhui, his brother-in-law Lei Dongbao (Yang Shuo). He comes from a poor, "big old man" who belongs to Miao Zhenggenhong, and he has full mobility. In the wave of rural reforms, the villagers were led to keep up with the policy and have been at the forefront of the times. But because of his low cultural level, his horizons were not broad enough, and he eventually stumbled under new things. If the experience of Song Yunhui and Lei Dongbao is the epitome of state-owned economy and collective economy. So the self-employed Yang Xun (Dong Zijian) is undoubtedly a typical representative of the individual economy. In the era of tumbling forward, he has scrambled to seize business opportunities and trampled on traps. After several twists and turns in the business field, he finally owned his own industry and became The typical representative of the individual economy in that era.