On-yoo is an adult childhood cancer survivor. When he's not practicing with his boy band, Oh-yoo often volunteers at the hospital's pediatric cancer ward. One day, he recognizes the familiar face of an overdose patient.

Mi-na takes over a small stationery store from her father when he suddenly falls down. She wants to sell the store because it seems only troublesome to her. But it is not as easy as she thought. The store's regular costomers force her not to sell it. The objections of the little children is hard to resist.

In 1782, King Jeong-jo of Joseon asks detective K to investigate a series of murders related to a case of corruption within the government.

When cartoonist Hyun-joon falls in love with Da-hong, one of his fans, it sets up the archetypal battle between their two families, who are from rival regions. Hyun-joon comes from the politically liberal Honam region while Da-hong comes from the conservative Yeongnam region. When the two declare their intention to marry, they are confronted with a seemingly endless number of barriers that threaten their happiness.

This movie talks about the genius high school student Jang-ho who dreams of becoming the next Pavarotti although he is part of a gang and Sang-jin, currently a countryside art school music teacher but once a highlighted vocal singer.