He is a legendary soldier code-named "Silver Fox". He led the Nighthawk team to complete 47 high-risk missions without ever failing. In the last mission, seven people entered the Death Canyon, and only one of them came out alive - but he became a "prisoner" of the enemy. The lives of six brothers were exchanged for one of his lives. When Lin Qiu opened his eyes from the interrogation room, he understood: This was not a failure, but a precisely designed "data collection." And he wants to change from a chess piece to a chess player.