Ryan, Mike and Shannon convince Danny to sponsor them in a 24-hour endurance race called The LeMons. This race pits cheap hunks of junk against each other deep in the Arizona desert. Meanwhile Danny has the guys work on a one of a kind special shop project as payback for his sponsorship. With limited time between their shop duties and the race fast approaching the guys realize that finding the perfect pile of rolling rust for the race is not as easy as it seems.