Lin Wan and Lu Xun were as different as two people could be. She was a very witty girl while he was the totally cold CEO bully. Somewhere in their getting to know each other, it turned into love through a tug of war confession. But are they really meant to be?

While running a small beep soup restaurant, Park Sun Ja raised her three daughters Mi Sun, Mi Ri and Mi Hye alone. She still runs the restaurant to this day and her three daughters are now all grown up. Sun Ja's first daughter Mi Sun is married and she has a daughter. Mi Sun is busy working and taking care of her family. Second daughter Mi Ri cares about her mother a lot. She is confident in herself and good at her job. Mi Ri gets involved in a romantic relationship with her co-worker Tae Joo. He is the youngest son of the family that owns the company. The youngest daughter is Mi Hye. She used to be a promising novelist, but she is not any more. She helps her mother at the restaurant.

With his parents frequently away for work, Natsukawa Ryota had been the main caretaker for his younger sisters and the housework, but now he’s finally about to go to University, he’s looking forward to being able to live freely on his own! However, in a surprising turn of events, he’s surprised to discover his roommate will be his childhood friend Tanaka Kazuhito. Despite his picture-perfect looks and pleasant personality, Kazuhito doesn’t have a girlfriend. Curious, Ryota accompanies him in searching for the reason why, but is unable to find any flaws and finds his heart fluttering over Kazuhito’s kind words and actions. As he gets to know more about Kazuhito, their relationship develops. Thus begins their cohabitation life where they’re mutually self-aware of each others presence!

Face pure friendship, a reluctant separation between students, and warm relationships between family members, teachers and students in their high school and college life. The days related to youth and professional life after entering university is the watershed from dream to reality. Some people are working hard for their dreams while staying true to themselves, but some people lose their way in their desires. They overcame obstacles, experienced growth in the process of constantly chasing their dreams, and attained warm, healing love and lifelong friendships.

A bank, that the Korean government holds equity in, is on the verge of bankruptcy. The country is worried that they will soon face another financial criss similar to what happened in 1997. People in the Financial Services Commission struggle to prevent another similar incident.

Chae Yi Heon is a chief in the Economic Policy Bureau at the Financial Services Commission. He does his best as an economic bureaucrat. His father is the best economist in South Korea, but Chae Yi-Hun hides the identity of his father.

Heo Jae is the chairman of the Financial Services Commission. He is an ambitious man. He experienced the Korean Financial Crisis in 1997. At that time, he became disillusioned with the powerless Korean financial infrastructure. His objective is to improve the country's financial infrastructure at any cost.

Lee Hye Joon begins work at the International Finance Bureau of Ministry of Economy and Finance. During the Korean Financial Crisis, she was a kid and her family struggled through that time. She dreams of owning a building.

In 1988, Duk-Sun (Hyeri), Jung-Hwan (Ryoo Joon-Yeol), Sun-Woo (Ko Gyung-Pyo) and Dong-Ryong (Lee Dong-Hwi) are high school students and Taek (Park Bo-Gum) is a go player. These five people have been friends since they were little kids. They all grew up together and are neighbors to this day. Their families are also very close to each other. They always hang around Taek's room and spend time together.

Kim Doo Soo (Choi Min Soo) is a local news reporter. He keeps busy supporting his family, but then diagnosed with a terminal disease. With not much time left, Kim Doo Soo prepares his family for goodbye.

The story revolves around the detective guards of Liu Shan Men, as they work together to solve the mysterious cases of Jianghu.