The world champion lightning McQueen has become a legend in the modern car world and has won the piston cup five times. But the sudden change in the car scene, the new generation of new cars, makes lightning McQueen’s advantage a great threat, and even more frightening, McQueen’s confidence is crumbling. In order to get back to the top, lightning McQueen is back in the water, but his love for racing is full of energy for his comeback. In addition to McQueen, there are two key characters in the film — the cool sister ramirez and the black storm Jackson. The former is a sunny but tough car mechanic who will help McQueen back to the top. The latter is cool and fast, the leader of a new generation of racing cars, and the biggest competitor of McQueen.