Everyone has a responsibility to stop the virus. Zhang Xuan's girlfriend Liu Qian accidentally fell into the sea, leaving behind a lot of doubts. In the process of searching for the truth, Zhang Xuan accidentally got involved in the International Biovirus Organization and met Han Qi and scientist Wei Guoqiang who were also trapped. The three of them joined forces to become righteous and passionate warriors, and started a thrilling and fast-paced blocking journey.