Due to profit-driven commercial scientific research by humans, it led to the emergence of retaliatory actions from a giant squid in the depths of the Antarctic against the Antarctic international scientific research station. Han Lian, a member of the Antarctic transportation team, gets involved in this disaster. In order to rescue Rosa and his teammate Qiangzi, he engages in a life-and-death struggle with the giant squid and ultimately manages to escape....

Due to the needs of the task, three young martial arts school students- Xin Xiaojing, who is good at fighting, Cheng Tang, who is smart, and Bai Daqing, who loves parkour, are liked by Captain Zhang Lan and get recruited into the police force. Three of them sneak into the criminal's lair and carry out secret arrest. All team members have withstood all kinds of tests from the outside and the inside, and become excellent policemen....