Song Yunhui (Wang Kai) reported to Donghai chemical industry and became the youngest deputy of the company history. He also took his wife Cheng Kaiyan and daughter to Donghai to live and work together with him. Cheng Kaiyan's laziness and jealousy drove a wedge between her and Song Yunhui, and the couple finally got divorced. With excellent business ability, Song Yunhui continued to be the backbone and led the Donghai project through difficulties in the process of preliminary funding of the company. People get jealous because of his outstanding work. The reform of Xiaolei's family took greater and greater steps, but the neglect of safety led to the explosion of the copper plant. Lei Dongbao (Yang Shuo) got imprisoned for bribery. After he got out of prison, he discovered a market for wires and built thunder company. Wei Chunhong always supported Lei Dongbao. Yang Xun (Dong Zijian) came to the Donghai seeking better career opportunity and succeeded. In the cooperation with foreign representative Liang Sishen, he made good cooperation with Liang Sishen, while manipulated financial statements of the company behind his back. Liang's father found out about it and saved it. With the death of his widowed mother, Yang Xun suffered multiple blows. Young accountant Ren Weiyou stayed with him along the way. Liang Sishen, as the foreign manager of the Sino foreign joint venture factory, had many cooperation as well as conflicts with song Yunhui because of work. They’re both impressed by each other's professional skills.