A freak accident might just help an everyday garden snail achieve his biggest dream: winning the Indy 500. After a freak accident infuses him with the power of super-speed, Turbo kicks into overdrive and embarks on an extraordinary journey to achieve the seemingly impossible: competing in the world's fastest race, the Indianapolis 500. With the help of his tricked-out streetwise snail crew, this ultimate underdog puts his heart and shell on the line to prove that no dream is too big, and no dreamer too small.