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

Summary

Summary: Guan Feng, a skilled micro-expression analyst, is sent by the city bureau to assist Zhang Lan in a critical business negotiation involving five cleaning consortiums. The negotiation centers around a potential 5.5-6 billion agency deal for Procter & Gamble's channel expansion. Guan Feng meets Zhang Lan and her team at a hotel, carefully analyzing the situation, including subtle interpersonal dynamics and the legal director's unexpressed emotions. The goal is to successfully negotiate the agency fees while understanding the complex business landscape.

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