Synopsis：Lin Sen and his teammates from Thunder Security Company infiltrate a town controlled by terrorists to rescue female scientist Nancy. After a fierce battle, Nancy is saved. Just as the team is about to evacuate as planned, a foreign child hanging in a cage at the bridgehead suddenly blocks their path. In a critical moment, Lin Sen and his teammates unhesitatingly rush toward the child they believe to be innocent, even if it means defying orders and risking their lives. As soon as they free the child, a large group of terrorists appears. The crack of a sniper rifle breaks the standoff, and the teammate shielding the child falls to the ground. The enemy sniper is the man known as the Ghost...