Solving the Case is Slightly Bitter, My Sister is Super Sweet.

Summary

Haijiang City Film and Television Base, established in 1995, spans 330,000 square meters and serves as a location for film shooting, including various scene buildings. A hidden prison within the film city raises suspicions, especially as its construction coincided with the base's establishment. In 2016, police initiate a search for this prison, but initially find nothing. Lin Xuan discovers a surveillance device hidden in an artificial tree, leading to the revelation of a metal door underground. When opened, a person emerges carrying a dangerous steel ball bomb, notorious for its devastating potential. The situation escalates, leaving Lin Xuan and others in shock and fear of the implications.

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