A son-in-law can't be a big sister. Ren Dawei's daughter. Son-in-law is a family ethics comedy filmed by Hainan Runyang Culture Media Co., Ltd. on 20 10, directed by Feng Xinghua and starring Fang Zige, Gao Xin, Li Qinqin, Tian Zitian and Yang Rong. "Difficult son-in-law" tells the story of any family. Ren Dawei and his son-in-law once strengthened themselves and lived in a strong family with their mother-in-law. Two generations of son-in-law, one old and one young, not only have to cope with various family crises, but also have to fight against powerful mother-in-law and wayward sister-in-law. Especially around pregnancy, buying a house and other issues, the son-in-law is full of tricks, and the mother-in-law is also trying her best. Although TV plays tell parents' short stories, they also reflect the reality of many societies.