In Cars 3, Lightning McQueen faces tough competition from a new generation of high-tech racers, especially Jackson Storm. After a major crash, many believe his racing days are over. But determined to make a comeback, McQueen trains with Cruz Ramirez, a young and energetic race technician. Inspired by his mentor, the late Doc Hudson, and through some surprising events, McQueen learns to adapt and discovers a new purpose—not just to race, but to pass on his legacy. In the end, he proves that he still has the heart of a true champion.