Including Eun-hyo, who works hard at aerobics in hopes of succeeding in a nationwide competition, a couple students are serious, at Sunjong University. Most students goof off: smoking, drinking, and focusing on sex. A law student who's been at the military, eun-shik, is elderly but socially inept. Eun-hyo is liked by him. Even though his unwanted allure to her, his juvenile excesses create him irrelevant if Sung-ok, a kid, charms Eun-hyo. They begin an affair. The federal competition procedures and complications also arise.