When a son attempts to reconcile with his father, a series of fateful events allow him to experience the father's life in the past.

Let's & Go!! focused on Retsu and Go Seiba, two young brothers who recieve racing cars called "Mini 4WD" by Dr. Tsuchia. From there on, the series portraits those two boys, training and costumizing parts to later on participate on Japans Cup, where all of Japans racers enter to be the best of the best!

Blindsided by a new generation of blazing-fast racers, the legendary Lightning McQueen is suddenly pushed out of the sport he loves. To get back in the game, he will need the help of an eager young race technician with her own plan to win, inspiration from the late Fabulous Hudson Hornet, and a few unexpected turns. Proving that #95 isn't through yet will test the heart of a champion on Piston Cup Racing’s biggest stage!