Plot: A man finds out that what you don't say to a friend is just as important as what you do is this story of how far you can bend a brotherly bond before it snaps. Since college, confirmed bachelor Ronny (Vaughn) and happily married Nick (James) have been through thick and thin. Now partners in an auto design firm, the pals are vying to land a dream project that would launch their company. Ronny's girlfriend Beth (Connelly) and Nick's wife Geneva (Ryder) are by their sides. But Ronny's world is turned upside-down when he catches Geneva out with another man and makes it his mission to get answers. As the amateur investigation dissolves into mayhem, he learns that Nick has his own secrets. With the clock ticking and pressure mounting on the biggest presentation of their careers, Ronny must decide whether to reveal the truth to his best friend.
Alternative Plot: Longtime friends Ronny (Vince Vaughn) and Nick (Kevin James) are partners in an auto-design firm. They are hard at work on a presentation for a dream project that would really launch their company. Then Ronny spots Nick's wife out with another man, and in the process of investigating the possible affair, he learns that Nick has a few secrets of his own. As the presentation nears, Ronny agonizes over what might happen if the truth gets out.
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