In order to find out why his wife was killed, Chen Zheng, the general of Zhenhai, has been tracing a mermaid, but while doing so, he accidentally discovered a conspiracy in North Korea. With the help of the mermaid, he punishes rapists and eliminates evil, tearing apart the wicked conspiracies......

In the early years of the Republic of China, Xiao Jian, a constable with aspirations of becoming Shanghai's top detective, becomes involved in a series of interconnected mystery cases. Inadvertently, he stumbles upon what is known as the "control incident" and finds himself unexpectedly recruited into a special investigation unit. He experiences a sequence of thrilling, suspenseful, and mysterious events, assuming the codename "Breaking War" and transforming into an unsung guardian, dedicated to protecting others....

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Although the five newly promoted constables of Department Six, such as An Dongye and Tang Xiaomei, are not very reliable yet, but each of them has a specialty. Growing up under the leadership of Chief Constable Long Ao'tian, they come together to maintain law and order, solving various strange cases, and hunt down the dark forces of the Green Dragon Society, which intends to subvert the imperial government. This is a fierce battle of wisdom and courage!...