The series follows the lives and adventures of racing vehicles Rori, Maxi, Cici, Drifter, Tin Top and the human people they work for, Big Chris and Roary Sinhala Cartoon Marsha the mechanics and the owner of the race track Mr. Carburettor. Also there's P.C. Pete, local Farmer Green, Molecom, Flash and Rory Sinhala Cartoon many more. The plot sometimes revolves around other vehicle characters, Rori Sinhala Cartoon such as Rusty, FB, Nick, Plugger, Zippee, Hellie, Breeze, Conrod, James and Loada.