What Happens in Vegas

Joy Ellis McNally celebrates her birthday with a surprise party meant to lift her spirits. However, her fiancé unexpectedly dumps her, highlighting Joy's uptight demeanor and leading her into heartbreak.

Jack Fuller faces a harsh reality when his father, Jack Sr., fires him from his carpentry job. This shock adds to Jack's emotional turmoil, leaving him feeling lost and alone right after Joy's own heartbreak.

Seeking an escape from their heartaches, Joy and Jack embark on a spontaneous trip to Las Vegas with their friends Tipper and Hater. This adventure is fueled by their desire to forget their troubles and enjoy life.

Due to a hotel mix-up, Joy and Jack find themselves sharing a hotel room in Las Vegas. Despite the confusion, they ultimately capitalize on the upgrade, leading to an exciting night of partying.

In the heat of the moment, Joy and Jack make an impulsive decision to marry after a night out. The next morning, they wake up realizing the gravity of their drunken nuptials and promptly agree to seek a divorce.

Jack tries his luck at a slot machine with a quarter Joy gives him and hits the jackpot worth three million dollars. This unexpected win complicates their decision to divorce, as Joy asserts her claim to half of the winnings.

Back in New York, Joy and Jack attend court to finalize their divorce only to learn they must live together for six months while undergoing marriage counseling. This ruling aims to encourage them to truly consider their feelings.

During their forced cohabitation, both Joy and Jack devise clever plans to irritate each other into initiating the divorce. Their antics include deception and inviting potential suitors, all while navigating their growing feelings.

Amidst their bickering, Joy and Jack attend a job retreat where they unexpectedly reconnect. They begin to realize that their experiences have led them to have a deeper appreciation for one another.

Joy meets her ex-fiancé Mason, who tries to win her back by offering the engagement ring. This encounter makes Joy suspicious, leading her to reject Mason and refocus on her current situation with Jack.

At the court hearing concerning the $1.4 million jackpot, their marriage counselor attests to their growth and efforts during the cohabitation period. The judge rules to split the winnings, but Joy chooses to decline her share.

Following the court ruling, Joy receives a long-deserved promotion at work but ultimately decides to turn it down. She realizes that personal happiness is more important than professional success.

Recognizing his feelings for Joy, Jack seeks her out at her favorite beach. In a heartfelt moment, he proposes to her again, leading to a joyful acceptance that signifies their renewed commitment.

As the film concludes, joyful moments from Joy and Jack's wedding day are showcased, emphasizing their love story and the support from their friends. Their celebration is punctuated by playful antics and heartfelt connections.