On a humid summer day, a preview of the director's new film is held at a small theater in crisis due to COVID-19. As the boss refuses to operate the air conditioner, the tired part-timer's patience begins to run out because of complaints from the heat-weary audience.

A high school wrestling team's fate is on the line due to their unpopularity and lack of budget. All the students have left the team except for two, who are from a broken family. The coach Sang-kyu lost his job and is making a living as a bus driver. However, he tries continuously to persuade the school principal to let the remaining team members compete in a match for one last time. At last, the principal gives them the chance to compete and the wrestling team only has two weeks to prepare for their final match.

Daebok is a crisis small business owner with overdue alimony and utility bills. During the recession, only credit loans increase. Still, there is no income, and the unemployed son Hongmin is no help. One day, Wonchang, overdue for credit, threatens Daebok.

Four men who live at the bottom of the social ladder prepare to enter a quartet contest. The circumstances are far from favorable for them who each lack in something. A brilliant, humorous film about the trials and tribulations of young men.

In an isolated mountain village dominated by Manchul, a villain, appears Dongryul, a martial artist who is equal to Manchul. As Dongryul gets rid of Manchul, the villagers warmly welcome him. But soon Dongryul changes his heart.