Lu Jibai was mistakenly sentenced to death for treason. On the day he was taken to the execution ground, he broke his shackles and blew up the enemy's headquarters alone, staining the battle flag with blood. On the way to escape, he met Cheng Zhaoxue, a female officer who held secret military intelligence files. She was supposed to execute him personally, but when the blood on his shoulder was still wet, she stuffed the last explosive into his palm. Surrounded by enemy invaders, pursued by colleagues, and strangled by high-level conspiracies, they are not partners, but each other's only way to survive. No one knew that there was a secret behind the explosion that could overturn the situation of the war, and Cheng Zhaoxue held the key to Lu Jibai's true identity.