The "Wolfpack" reunites two years after their Vegas disaster for the wedding of (Ed Helms) to his fiancée Lauren (Jamie Chung) [2, 14].

Alan's head is shaved, Stu has a facial tattoo (a replica of Mike Tyson's), and they find a severed finger belonging to Teddy, who is missing [2, 6, 8].

Critics often called it a "slavish rehash" of the first film, but audiences turned it into a massive commercial success, contributing to the franchise's total of over $1.4 billion worldwide [1, 18, 22].

Phil remains the rebellious leader, Alan provides his trademark social awkwardness (and the cause of the drugging), and Stu undergoes another identity crisis [6, 16, 21].