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

Summary

The story revolves around a food poisoning investigation at a hotel. During dinner, several people were poisoned with a neurotoxin from a banned rodenticide. The head chef and police are investigating the cause, focusing on a specific dish called Spicy Blood Curd that was only served at dinner. They suspect the ingredients might be contaminated and are conducting tests on beef slices, bean sprouts, and duck blood. The police are working to trace the source of the poison and prevent further spread of potentially toxic ingredients.

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