In the video, there are four cars driving on a red bridge. The cars are yellow, red, green, and blue. The sky is blue with white clouds. The cars are driving in a line, and the yellow car is in the front. The cars have eyes and a mouth, and they are smiling. The bridge turns into a rainbow as the cars drive over it. The rainbow has red, orange, yellow, green, blue, and purple colors. The cars are driving in a loop, and the yellow car is in the front.