This article tells the inspiring struggle story of three migrant families living outside the Fifth Ring Road in Beijing. "Naked Brothers": Chen Qiusheng, Chen Qiu and his two brothers are running a small business in Beijing with their families. They develop as a team but have constant friction. They strive hard and fall in love with each other. Several of their second-generation farmers' children are also in the city and the countryside, and their hometown and foreign land have experienced ups and downs with the tide of the times. "Sister Robbery": It tells the love story of Yao Siyu, a working girl who laughs on a bicycle but cries in a BMW. She is burdened with changing the fate of her original family. She faces an eccentric mother, a younger brother who nibbles on her sister, a second-generation Beijing rich who loves her, and a working-class boyfriend she loves. How should she choose? She worked hard and lived the life she wanted. She succeeded in struggling in Beijing, gained love, and benefited her relatives. "Love You the Most": tells the story of Qiu Yehong, a grandson of his family, who migrated to the north in his later years. When her son got rich in Beijing, he divorced his wife in his hometown, and he took care of his grandson. For the sake of his physical and mental health, he always stayed with his father. She came to Beijing and helped her son work hard while raising her grandson. She lived a life of ice and fire in her son's second-married family.