In 1969, a 10-year old boy's life takes a major turn when he discovers the father he never met is alive. Selling candy bars left and right to save up for a trip to see his dad, the boy embarks on a journey that could change his life forever.

One foggy spring day, the 12-year-old Hyeok-su meets the young Eun-hye and determines then and there that he will love her for the rest of his life. Many years later, Hyeok-su is preparing to enter college when he rescues a woman from assault. It turns out to be Eun-hye. Despite the passage of time, neither had forgotten the other and they renew their relationship. However, fate places another smitten man in Eun-hye's life. He is also determined that he will marry Eun-hye. Eventually, Eun-hye is forced to choose between them.

Dae-guk, a nosy man from Apgujeong, and Ji-woo, a cold but skillful plastic surgeon, open a plastic surgery business in Gangnam. Dae-guk is an unemployed man who likes to pry into other people’s businesses.