They dreamed of having an unforgettable bachelor party in Vegas. But now they need to remember what exactly happened: what kind of child is sitting in the closet of the hotel room? How did the tiger get into the bathroom? Why does one of them have no tooth? And, most importantly, where did the groom go? What the guys did at the party can not be compared with what they have to do with a sober mind when they will step by step restore the events of last night.