All the couples are back for a wedding in Las Vegas, but plans for a romantic weekend go awry when their various misadventures get them into some compromising situations that threaten to derail the big event.

After withdrawing to the Chateau Marmont, a passionless Hollywood actor reexamines his life when his eleven-year-old daughter surprises him with a visit.

Howard Langston, a salesman for a mattress company, is constantly kept busy at his job, disappointing his son. After he misses his son's karate exposition, Howard vows to make it up to him by buying an action figure of his son's favorite television hero for Christmas. Unfortunately for Howard, it is Christmas Eve, and every store is sold out of Turbo Man. Now, Howard must travel all over town and compete with everybody else to find a Turbo Man action figure.

When Elizabeth returns to her mother's home after her marriage breaks up, she recreates her imaginary childhood friend, Fred, to escape from the trauma of losing her husband and her job. In between the chaos and mayhem that Fred creates, Elizabeth attempts to win back her husband and return to normality.