Holed up in a seedy hotel, Hollywood screenwriter Don Malek is scripting a diabolical plan for revenge. But instead of writing about a bloodthirsty serial killer, Don is doing the dirty work with his own hands.

Lifelong platonic friends Zack and Miri look to solve their respective cash-flow problems by making an adult film together. As the cameras roll, however, the duo begin to sense that they may have more feelings for each other than they previously thought.