Sung Jaein was forced to get married to a three years older girl, Im Nayeon. Feeling frustrated with his parents arrangements, he tried to run from the reality. But his fiancée, Nayeon, who is three years older keeps calm with their upcoming marriage. Sung Jae In is a third year Graphics and Design student at a well known university in California. He is also a famous for his wealthy family from South Korea. His dad was a successful businessman in Aircraft field, such as building planes. His mother was a chef and have a big franchise of restaurants in Korea. Im Nayeon is a CEO of cosmetics company in Gangnam. She started her career in cosmetics as she was very fond of lipsticks. Her family was well known for their pasteries, bakeries, and wineries. Both parents were known for each other since their school days. So in order to keep their long lasting friendship, they decided to marry off their children.