Kyle (Kyle Marvin) and Mike (Michael Angelo Covino) are longtime best friends who share a close bond. While bicycling in France, Mike lets it slip that he slept with Kyle's fiancée, Marissa (Gayle Rankin). This shattering bit of news takes the wind out of Kyle, who no longer wants anything to do with Mike.

However, because Kyle was basically Mike's only friend, this sends Mike into a tailspin. Over the next couple of years, he becomes depressed, gains weight and drinks to excess, while Kyle loses weight and achieves some success in his career, writing jingles for commercials. To Kyle's dismay, his family takes pity on Mike and invites him over for Christmas.