After Zhang Lidong returned to Erlonghu Village to start a business, he and Wang Chunhua ran the Lidongxi Restaurant in a lively manner. At a "pioneer entrepreneurship" conference held by the township government, Zhang Lidong's impromptu ecological farming concept was unexpectedly recognized by township leaders and supported by the township entrepreneurship fund. After discussing with Wang Chunhua, Zhang Lidong decided to invest in ecological fish farming and lead everyone to get rich while protecting the ecological environment of Erlong Lake. It happened that Ai Qingqing, a female doctor studying abroad, came to Erlonghu Village to do research on the ecological protection of gray cranes. In the process, Ai Qingqing gradually discovered that Zhang Lidong was a responsible man and developed a good impression of him. Wang Chunhua was quite jealous of this. Zhang Lidong was in a dilemma, and just as he was gradually sorting out the clues from this mess, Zhang Lidong's ex-wife Zhao Bailu returned to the village at this time and asked to remarry Zhang Lidong. Zhang Lidong once again fell into the whirlpool of emotions and career.