A mega-truck racing crew from Central Florida, the Dirty 7, are challenging teams from all over the country to find the fastest crew. They race team New England in the Pit: a 405 ft track of mud designed to put the trucks to the test.

Team South Carolina head down to Florida to challenge The Dirty 7. With both money and pride on the line, it's a mad scramble to get the trucks ready in time to race. They will have to push their motors to the limit and battle it out in The Pit.

The Dirty 7 is undefeated, but a crew of ultra-light trucks from Georgia head down to The Pit to challenge them. The Dirty 7 puts its record and reputation on the line while battling a team known for its pedal-down speed.

The Dirty 7 suffers its first defeat, but now the Florida Killers seek to deliver a knock-out punch. The guys must use every ounce of horsepower to knock their competition out and end up on top.