The plot of the film tells about new adventures of already well-known friends: Phil, Stuart, Doug and Alan. They gather again, but this time none of them will marry and they will not have a bachelor party. They are gathered by a sad occasion - the funeral of father Alan. After the incident, having lost his father, the young man stopped taking the medications prescribed to him and began to freak a lot. Realizing that he needs help, friends decide to send Alan to a clinic where he can be given the best treatment. However, when traveling, they did not even assume that they would again be in mortal danger. Ahead of them is a meeting with bandits from the Wolf Pack group, an old friend Mr. Chao and Las Vegas, who is always awake ...