"Sex Is Zero" is a South Korean comedy film that follows the story of a group of college students who are navigating their way through love, relationships, and sexual experiences. The film centers around a young man named Joon-Young, who is determined to lose his virginity before graduation. However, his plans are constantly thwarted by his lack of experience and the antics of his friends. As Joon-Young struggles to achieve his goal, he learns valuable lessons about love, friendship, and the importance of communication in relationships. The film is filled with hilarious moments and heartwarming scenes that will resonate with audiences of all ages.