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1. Bölüm In the summer of 2005, a meeting takes place at the middle school of a small seaside town ahead of summer vacation.
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2. Bölüm Zhang Dongsheng looks guilty as he is questioned by the police. The three kids decide to remind the murderer about what they know, and send a warning letter.
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3. Bölüm Zhu Chaoyang takes advantage of Zhang Dongsheng's carelessness and plants the warning letter; Zhu Jingjing convinces Pu Pu to stop bullying her.
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4. Bölüm Zhang Dongsheng confirms that the children have video evidence of the crime after following the trail of the warning letter.
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5. Bölüm Wang Yao visits Zhu Chaoyang's home, and Zhu flees in fear that he knows he was responsible for the death of his daughter.
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6. Bölüm Wang Yao is desperate to find out the truth, and will stop at nothing; Yan Liang goes to the secret meeting place and finds Lao Chen waiting for her.
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7. Bölüm Father Zhu starts swimming with Chaoyang to make up for his lost father and son time; Zhu Chaoyang goes to Zhang Dongsheng's home to negotiate terms of peace.
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8. Bölüm As the crime continues to ravage the town, the children grow more and more impatient with the suspects and take matters into their own hands.
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9. Bölüm Wang Yao's younger brother takes Zhu Chaoyang to the fishery to torture him for information; Zhang Dongsheng fights with Wang Li as he asks for money.
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10. Bölüm Zhu Ma asks the police about Zhu Chaoyang's situation, and she discovers she's been lying; Zhang Dongsheng feels betrayed by Yan Liang yet again.
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11. Bölüm Zhang Dongsheng, Yan Liang, and Zhu Chaoyang make a lucrative deal; Wang Yao and Zhu Yongping stumble into an unfortunate situation and violence ensues.
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12. Bölüm Yan Liang and Zhu Chaoyang finally decide to take down Dong Sheng; Zhu Chaoyang tells the police what he knows and starts from the beginning.