Facing the toughest challenge of his career, racing legend Lightning McQueen is left in the dust by a new wave of high-tech competitors. Determined to prove he's still got what it takes, he teams up with an ambitious young race technician, drawing inspiration from the past and embracing unexpected detours. With the Piston Cup on the line, McQueen must dig deep to reclaim his legacy and show the world that #95 isn’t ready to ride off into the sunset just yet.