This article's plot summary may be too long or excessively detailed. Please help improve it by removing unnecessary details and making it more concise. Dorky classmate Chuck Sherman claims that at a party hosted by Stifler he lost his virginity. Kevin prompts Oz, Finch, Jim, and Kevin to pledge to no longer be virgins by their high school graduation. Vicky accuses Kevin of wanting her only for sex, and he has to repair their relationship before the senior prom night, now the target day the four plan to lose their virginity.