Zhu Chaoyang is a top student and ranks first in exam scores. However, his personality is relatively introverted and he is not good at communicating with his classmates. Therefore, most of his classmates don't like him very much and he is even bullied by his classmates in school.Yan Liang escaped from the orphanage with the girl Pu Pu, hoping to find someone to borrow 300,000 yuan for emergency help, because Pu Pu had trouble at home.Police officer Lao Chen learned that Yan Liang left the orphanage and wanted to find Yan Liang and send him back.Yan Liang found his best friend Zhu Chaoyang, who took them in for one night because his mother was not at home.

Zhang Dongsheng worked as a mathematics teacher in the Children's Palace. Eight years ago, he left his hometown for his wife.Now, his wife wants to divorce him, and he is trying hard to keep her, but she is indifferent.Zhang Dongsheng's father-in-law and mother-in-law also didn't like him. At his wife's cousin's party, someone mentioned the beautiful scenery of Liufeng Mountain. Zhang Dongsheng's father-in-law and mother-in-law wanted to go there, so Zhang Dongsheng offered to take his father-in-law and mother-in-law there.

Zhang Dongsheng pushed his parents-in-law off the cliff on the pretext of taking pictures while climbing a mountain. This scene happened to be accidentally recorded by three children who were visiting the scenic spot, and their adventure began.Several families were trapped and led to an unpredictable future.

The open ending allows the audience to choose from the details, whether to believe in fairy tales or reality. From the bright side, it is still a fairy tale ending. Everyone is happy. Zhu Chaoyang takes the initiative to admit part of the case that he has concealed. Yan Liang and Pu PuNeither of them died, Pupu's younger brother also received treatment, Yan Liang still had the dream of becoming a policeman, and the scene of the two chatting with Lao Chen on the steps was full of love and touching.

However, these are all filming methods that can pass the review. The director and screenwriter could not bear to completely subvert the ending of the original work, so they used many metaphorical techniques, which resulted in the finale of the play having two endings, one bright and one dark. In fact, in the endThe ending still follows the original work, and Zhu Chaoyang still becomes a bad boy. This can be seen from his mother Zhou Chunhong's facial expression and attitude towards Zhu Chaoyang. As the saying goes, a child is better than his mother, and Zhu Chaoyang has indeed changed!

The original intention of creating the play was to show the complexity of human nature.They do not want to show the simple good and evil in human nature, but a story about love. The original intention of creation is to show the complex side of human nature.

Xin Shuang believes that there is no such thing as a children's world and an adult world, they are universal human emotions. He hopes that after watching the show, the audience will always have sunshine shining in their real lives and stay away from those “The Bad Kids”.

Xin Shuang does not want to make "Secret" into a "curious" story, nor does he want to show pure evil through his work.If the case and the storyline are compared to a scalpel, he hopes that "The Bad Kids" will cut open the psychological roots behind family, character emotions and growth trajectories for the audience, rather than showing the scalpel itself.