the story of the film revolves around the third grade primary school student ma xiaotiao exhibition aaa。 ma xiaotiao is an unusual child, he will dance when he is born! at his weekly arrest ceremony, ma xiaotiao, who was in a hot temper, even more "jumped" into the sky, which surprised everyone. the third-grade ma xiaotiao is always surrounded by the clever "ape" mao chao, the greedy and sleepy "penguin" tang fei, and the powerful "hippo" zhang da, and of course, there are an qier who unconditionally admires ma xiaotiao.