Since the virgin farewell night in 1999, former best friends have gone their separate ways. Jim (Jason Biggs) and Michelle (Alyson Hannigan) have a son after marriage, but the two are bored with their marriage. In order to get back together, Jim and his wife decided to take a vacation, but they received an invitation to reunite with their high school classmates. Oz (Chris Klein) attends the show hosting the dance show, but he finds his wife dating the designer. Finch (Eddie Kaye Thomas) has traveled around the world over the years but has found nothing. Kevin (Thomas Ian Nicholas) becomes the house-at-home husband. Stifler (Seann William Scott) is often ridiculed by his superiors when working in well-known companies. Thirteen years later, the five brothers reunited and met old friends one after another. They walked on the beach and looked around. The spring scenery was shining, but at the high school student party,...