Under the leadership of captain Li Guangfeng, Wang Xin, a young anti-narcotics police who returned from a special training at South America, launched an anti-drug operation under the code of "Operation Flash" in order to disrupt the conspiracy of the international drug lord Jin Ye and the insidious and cunning drug dealer Xu Dahong. A confrontation between black and white, a struggle between good and evil, the front-line anti-narcotics police starts a seaside anti-narcotics battle with the spirit of bravery, tenacity and the dare to sacrifice!...

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In order to rescue his brother Vulture, Hummingbird sneaks back into the country, swiftly gathering Vulture's old troops to organize a terrorist operation against the police. Instead of backing down when faced with Hummingbird’s threat, the SWAT police cleverly strategize by exploiting the opponent’s character weaknesses. New-generation SWAT police officers such as Mei Jing and Liang Zhuang, and middle-aged police officers such as Director Gao and Mei Xiaodong, work closely together during the operation to eventually uproot the vicious criminal group....