A 29-year-old man, who has never had sex, is known for being a virgin. He is asked by his sex-obsessed friend to attend a high school reunion, where the friend hopes to rekindle a past romance with his former girlfriend. However, things take an unexpected turn when the protagonist, who is also a childhood friend of the former girlfriend, meets a woman who is interested in him. The woman, who is in a long-term relationship, is looking for an adventure and a chance to experience something new.