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

Summary

Guan Feng investigates Chen Shu Juan's recent changes in behavior, particularly her newfound interest in wearing perfume, suggesting she may be involved with someone. Wang Qian, a friend, mentions that Chen was close to Wang Yang, who reveals that they dined together two days prior. Wang Yang suspects Chen might be dating someone due to her changed appearance and behavior. As Guan Feng continues to gather information, he learns that Chen is interning in Pediatrics at Huaan First Hospital and may have ambitions to stay there. The investigation highlights the complexity of relationships and the potential for hidden dynamics among the characters involved.

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