I, King of Criminal Investigation, Solving the Rainy Night Serial Murders from the Beginning.

Summary

Summary: During an interrogation, Chen Jin reveals a complex criminal conspiracy involving illegal industrial waste disposal with Chen Zi Ang and Liu Yang. They were dumping chemical waste weekly for extra money, which devastated local fish ponds. When Liu Yang threatened to expose them and demanded large sums of money, Chen Jin and Chen Zi Ang plotted to eliminate him. Xia Zong, involved in the case, was taking kickbacks from a bidding company, leading to substandard sewage treatment equipment and necessitating secret waste discharge to prevent a scandal.

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