Shifting from one pocket to another, from one man's drama to another, a lowly dollar bill, 'one buck' takes us on an odyssey through the heart of a forgotten town in Louisiana.

A veteran detective is assigned a rookie partner after his previous partner is killed by a car theft gang. He is determined to apprehend those responsible for his friend's death but his new partner isn't really up to the task.

The story of a private security contractor in Iraq who rejected the official explanation of his friend's death and sets out to discover the truth.