Did Feng Er, a girl of the Fish Tribe, encounter an ugly egg by chance or were they destined to meet each other? The ugly egg was like a naughty child, and also a rash monster who ate a lot and made a lot of trouble to the tribe. When a sheep was found lost, the villagers, who already couldn't stand the ugly egg, placed all the blame on this troublemaker . . .When the ugly egg became troublesome in the eyes of the villagers and a safety threat to the Fish Tribe, where could he go? And what choice did Feng Er have?