A man finds out he's in an open marriage.

Bob Lee Swagger is an expert marksman living in exile who is coaxed back into action after learning of a plot to kill the president.

In the year after graduating college, Izzy struggles to navigate the seemingly incessant failures of adulthood, the reality of a substandard dating pool and a debilitating fear of top-sheets, all in between X-Files marathons. Comically unsuccessful in love over the course the year, including five half-hearted relationships with astoundingly self-centered men, Izzy resigns herself to the support of her mother and sister, who are struggling with their own relationship problems. Seeing herself in them, Izzy gradually gains the confidence to be honest and vulnerable.

By following ten simple rules, 20-somethings Vince and Cameron spice up their relationship by sleeping around. But when their straitlaced friends get engaged, their relationship gets turned upside down. To put the rules to the test, they will go on the road to the Hamptons to crash the biggest party of the year where love triangles collide and off-the-wall mayhem ensues.