The couple Hee-gap and Jeong-sun, after marrying off their son and daughter, travel around the country observing their children's hardships. When their son-in-law Jang-gang went bankrupt, their son-in-law No-sik helped him. They also feel pleased when their son-in-law Jin-gyu, who works at a cement factory, remarries a widow. Observing these scenes, they feel satisfied, witness the country's development, and even have an unexpected episode appearing on TV.