The background is that three retired special forces soldiers worked as mercenaries in Southeast Asia. After experiencing life and death, they returned home and returned to the battlefield out of revenge. The main characters to be designed include the three protagonists and the villain. First of all, the protagonist Chen Gang, as an assaulter, has a strong personality and is suitable for pushing the line of action; Li Ming, as a sniper, is delicate and delicate.
And attaches great importance to family, and his family tragedy can arouse emotional resonance; Zhao Feng, as a tactical planner, sacrificed earlier, but he needed to leave foreshadowing that would affect the subsequent plot. In terms of villains, Chachai serves as the initial BOSS, and Mr. Song serves as the mastermind behind the scenes. The well-defined villains can enhance the dramatic conflict.