After devoting 35 years of his life to his company, Lee Roo-Ri (Sooyoung) tries to get a job at big company, but she gives up. She doesn't have a good relationship with her strict father. Lee Roo-Ri decides to travel to a foreign country to get away. There, she meets Jung Tae-Yang (On Joo-Wan) who goes by the YOLO motto. He wanders around the world and places priority on his happiness, but he also carries an emotional wound. After she meets Jung Tae-Yang, Lee Roo-Ri has a turning point of her life.