It tells the story of two childhood friends who grew up together and have loved each other for many years. They are separated and reunited but a series of misunderstandings occur due to someone's plotting.

Zhou Yanzhao is the successor of Shenghai Group. Zhou Xiaomeng is the host of a children's show. Zhou Yanzhao fulfills his promise to Xiaomeng to return to the country to see her on her 22nd birthday. However, his father dies unexpectedly leaving him no choice but to succeed their real estate company. Moreover, Xiaomeng's mother is the suspect behind Zhou Yanzhao's father's death.

Taking over business operations, Zhou Yanzhao enters Shenghai Group and faces a tough opponent in Jiang Qingcheng. Zhou Yanzhao has a difficult time keeping the company afloat as he deals with betrayal, investment failures, engineering accidents and learns of a birth secret.

Bearing the heartaches from the misunderstandings, Xiaomeng never gives up despite facing ups and downs in her endeavors. She perseveres in her charity efforts to help children and continuously tries to become a better person. When the sky finally clears between the star-crossed lovers, they must work together to find the real mastermind behind their misfortunes.

The drama is based on the historical background of King Sejo (1455-68) and the six loyal subjects, known as "sayuksin." The story tells the tale of six royal officals of the court who try to help restore Danjong of Joseon to power and fight against the coup led by Sejo of Joseon. It is a story of six loyalists who were killed in an attempt to restore the dethroned King Danjong after the notoriously brutal King Sejo seized power.

A man who constantly applies the brake in his life, a woman who could do with a brake in her life. It’s in summer of 2005 that the journey of their passionate love begins. Here’s a bright and breezy love story that makes us feel how wonderful it is to fall in love! Since we only have one life to live, why not do what we want and live with someone you love? A morning in early summer. The 25-year old Riichi, an instructor at a driving school, is riding coolly on his motorcycle. Isaki is a 31-year old woman who is learning how to drive there. As luck would have it, they end up meeting each other. Although the two of them had very clear plans for life up to a few years ago, reality isn’t so nice. Riichi has settled for work as a driving instructor to make his living while Isaki has been given charge of a store. Pursued by the bustle of everyday life, they’re living lives where they tend to forget to take a fresh look at things.

Naoko Noda, who works in a trading company, is called "anego" by her younger co-workers. What is "anego"? It means "older sister," but in this case it is given as a nickname to Naoko because she is like a big sister to her coworkers, who depend on her to give them advice about everything. This drama, depicts realistically how Naoko lives her everyday life, including her love life, the problems she faces, and her uneasiness about the future.

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Ji Sub is coming back home after an unsuccessful audition. Suddenly, a sound makes him stop his car. When he opens his trunk, he discovers young woman, Yeon Hee, who doesn't remember anything about herself. Who is that girl and why did she appeared in front of Ji Sub?

The web drama is a romantic comedy between Gyeong Gido, a Korean man from a humble family who grew up to an ace worker of Gyeonggi Province’s Tourist Authority and Mimi, a Chinese woman of a wealthy background trying to become a tour-guide in the area.