Clarence looks like an ordinary, muddy pickup truck, but he hides an incredible secret. Whenever water hits his frame, he transforms into Mighty Truck, a super strong hero ready to save the day. On a bright and sunny afternoon, Clarence decides to join his neighbor Mr. Dent and a brave cat named Throttle for a relaxing day of catching waves at the beach. Everything is going swimmingly until Throttle paddles into some deep, gnarly water. Suddenly, the fun beach trip turns into a serious rescue mission when Clarence realizes the little cat does not know how to swim. Mr. Dent desperately needs help to bring his furry friend safely back to the sand. Find out if Mighty Truck has the power to speed through the surf and rescue Throttle from the wild waves. Get ready for an action packed adventure that proves heroes come in all shapes and sizes.