Modern female Sea King Qiao Ran and her best friend Xia Xiaoqi accidentally traveled to Geshi Village in 1978 and became the daughter-in-law of the Lu family. Qiao Ran dressed up as the obese and cowardly eldest daughter-in-law, and her husband was a cold teacher Lu Xiangnan. They start a knitting business, Qiao Ran loses weight and seduce Lu Xiangnan, Xia Xiaoqi resolves the misunderstanding and heats up with Lu Yanbei. By selling modern aesthetics and creativity, the business was booming, but was destroyed by an arson attack by my sister-in-law and Green Tea Li Dongmei. The two cleverly set up a trap to fight back, leaving each other to suffer the consequences, which also caused their husbands to question their identities.