The older sister wanted to help the younger brother get rid of his carelessness, and told him a story about "Careless Fatty". Xiaopang works in a motorcycle factory and drives a delivery truck. Xiaopang doesn't concentrate at all when doing things. While driving, he put a little bird on the front of the car to play with. The tire of the motorcycle carrying it on the car rolled onto the road, and he didn't know it at all. Because of his carelessness, he often loses things on the road.