GD and Dara are betrothed to each since they were children, their moms are best friends who both married into wealthy families. GD’s family own a chain of malls while Dara’s father own an electronic company in Japan. Dara is against their marriage because of one of GD’s bestfriend, Nickhun.Nickhun is a doctor, whose family owns a hospital. He has a sister, Guigui who is a celebrity in Taiwan. When their father passed away, their mom was kicked out and forced to go back in Taiwan with Guigui. Guigui and Taecyeon are ex-lovers who met each other when the former stayed in Korea for a year as an exchange student. Taecyeon is also one of GD’s bestfriend and a hotel owner.