Cho Chang-geun

Jae-Hun (Son Hyun-Joo) is separated from his wife and two daughters. He struggles to make ends meet, while working as a grocery deliveryman. Seung-Hyeon (Yu Geon) works with Jae-Hun delivering groceries. Although he is only in his 20's, he also struggles to make ends meet. One day, while Jae-Hun and Seung-Hyeon make a delivery, they notice a famous baseball pitcher (Kim Kwang-Hyun) at the apartment of a young woman. The famous pitcher is married to a woman several years older than him. A few days later, Seung-Hyeon comes up with a plan that could make him and Jae-Hun a lot of money.

Cha Do-hyun is a rich heir to a family company with one major problem. Due to suppressed childhood trauma, he suffers from dissociative identity disorder manifested in 7 unique personalities who are out of his control. In order to overcome this disorder in secret, he hires a first year medical resident to help him heal by killing off each personality one by one.

After a complete reversal of fortune and looks, childhood sweethearts reunite for the first time in 15 years as employees at a fashion magazine.

Take a nostalgic trip back to the late 1980s through the lives of five families and their five teenage kids living in a small neighborhood in Seoul.