Charlie Tuttle, Jeff Daniels, has just earned a partnership at the successful law firm Whitfield and Morris. His boss and future father-in-law sends him to Paradise Bluff, Nevada, to request a continuance in a mail-fraud case involving a cousin-in-law who is likely to be found guilty. But the timing clashes with Charlie's bachelor party, setting up a clash between career pressure and personal celebration.
After driving from California to Paradise Bluff, Charlie is unexpectedly greeted by his best man, Richard Rietti, Michael Richards, who is determined to give his friend a memorable pre-wedding bash. The celebration quickly spirals into trouble when a barfight knocks Charlie unconscious, and he is later prescribed painkillers for the pain. The situation grows more tangled as the ailing groom-to-be is unable to appear in court, forcing Richard to step in.
On the morning of the court appearance, Richard checks on Charlie and discovers that Charlie has taken all of the pills in the bottle. Left in no shape to stand before the court, Charlie's legal duties fall to Richard—and to keep the ruse alive, Richard impersonates Charlie as the defense attorney for con artist Benny Gibbs, Rip Torn. When the trial unexpectedly goes ahead, the two men must sustain the deception, treating the hearing as their shared performance while narrowly avoiding exposure.
As the case unfolds, Charlie coaches Richard on the rules of evidence, masquerading as Richard's "assistant" and using flash cards to guide Richard on which objections to raise. The pressure mounts, and tempers flare when Charlie yells at Judge Paul Z. Graff, Austin Pendleton, as Richard pushes the defense in directions that test the boundaries of the courtroom and threaten the entire scheme. The strain leads to a pivotal moment: Charlie is temporarily barred from reentering the courthouse, forcing the duo to improvise even more.
To stay ahead, Richard and Charlie devise a covert communication system involving a baby monitor and Morse-code-sounding signals from Charlie’s car horn, heard through an open window, to steer Richard toward the right kind of objection. Amid the legal farce, a shifting romantic thread takes hold: Charlie meets a waitress named Billie Tyler, Charlize Theron, whose presence compels him to rethink his looming marriage to Tiffany, Ali Wentworth. The evolving attraction adds emotional weight to the spectacle and complicates Charlie’s loyalties.
As the trial moves toward its conclusion, Richard finds himself drawn into a charged dynamic with Elizabeth, Jessica Steen, the prosecutor, while the two men continue to pursue due process for “their client” and navigate the ethical gray areas of their high-stakes ruse. The story threads together humor, legal chaos, and genuine personal decisions, leaving Charlie wrestling with what he truly wants from love, career, and the kind of man he chooses to be.
