After returning from duty, he found that the sentry was brutally silenced, his comrades were sacrificed, and the old squad leader was missing. The only clues left by the old squad leader and the same set of numbers found on the enemy were at the scene. He returned to the army with the mysterious number and entered the Black Panther Squadron to decipher it and learned that it was a radio station from a mercenary group. A rescue operation was launched immediately. After a secret operation, the mastermind behind the scenes was revealed. In order to save the squad leader, the Black Panther Squadron once again entered the battlefield of glory.
