Billy, a single mother of two, is led into a macabre underworld while her teenage son, Bones, discovers a secret road leading to an underwater town. Both Billy and Bones must dive deep into the mystery if their family is to survive.

Before its economic decline, Detroit was a major metropolis. Now, in the 2000s, the young people of the Motor City are making it their own DIY paradise where rules are second to passion and creativity. Johnny Knoxville tours the city to meet some of the people who are creating a new Detroit on their own terms, against real adversity.