An old cab and his wife have a baby boy car in hopes that he'll grow up and be a cab like his old man. But being young, the little car wants to be a hot rod instead. The little car races around against his father's wishes until he gets into trouble racing a train. His life barely saved by his dad but it is not without consequences. His dad gets put in the mechanic hospital. While he is making his recovery, the son shows his dad that he wants to be a cab just like his dad. The only thing is that he keeps all his racing mods.
