Lighting McQueen is back in Radiator Springs, where he is challenged by an Italian car, Francesco Bernoulli, to compete in the World Grand Prix to determine the fastest car! Lighting accepts the challenge and embarks, together with his friend Mater, in a journey through Europe and Japan! While Lighting is busy trying to win the World Grand Prix, Mater is hired by an international espionage association, which will force him to decide whether to support his friend or help with the top-secret mission?