"The Hangover Part III" is the final installment in the popular comedy franchise. The film follows the original group of friends—Phil, Stu, and Alan—as they reunite for a road trip to help Alan after a personal crisis. Their journey takes a dark turn when they encounter a dangerous criminal named Marshall, who kidnaps Doug to settle a debt. Unlike the previous films, this installment focuses less on the wild parties and more on the group's dynamics and their attempts to rescue Doug. The movie combines humor with action, culminating in a series of unexpected twists and a resolution to the characters' arcs.