Following 20 years of being at war, a group of aliens instigate a sneak attack on the human race. In the face of this unprecedented disaster, the police stand up to the bugs and beasts to start a life-and-death struggle, sworn to protect their homeland.

• Raquel Xu
• Eric Tsang Chi-Wai
• Henry Prince Mak
• Diao Biao
• Yu Xiaowan