There are two children, a "no mind", do things to lose three pull four, always have something wrong; a "unhappy", always don't twist, and sing against others. People advise them to change their bad temper, both children can't hear. In order to help them correct the shortcomings, the film director let them become adults. According to their volunteers, "no mind" is an engineer, "unhappy" did actors. "No mind" designed a nine hundred and ninety-nine teenage palace buildings, but forgot to design an elevator. In order to participate in the opening ceremony of the juvenile palace, "no mind" and the children took the cover, dried food, and climbed a month of stairs to reach the top. It is "unhappy" performance "Wu Song Tiger" at the opening party. "Not pleased" played tiger, playing to a criticism, his old temper made, tiger died and jumped to with Wu Song than a high, the result became "tiger playing Wisong", hit from the stage The theater is chaotic. "Not happy" also regards the "no mind" of the show as Wu Song, two people twisted, rolled downstairs from the upstairs, all injured. From this, they are determined to correct their shortcomings. The final film director let them return to the childhood.
