A family of four brothers and sisters. The boss has a black belly and a paralyzed face; changing women is faster than changing underwear, but he falls on Xiaobai. The second child is attacked from the outside and from the inside; he comes to trap the bamboo horse at a young age. The third child, a star who upholds the principle of not speaking if he can't speak; is in love with his younger sister. The fourth child, with his devilish appearance and flat figure, is the most favored one in the family.