The ace agent Jiang Jianlu, codenamed "Shadow", was betrayed by his most trusted superior, his identity was exposed, and he was surrounded by three hundred enemies. The intelligence was intercepted, his teammates died tragically, and everyone thought he would die. Little did he know, he had already read the trap from the other person's eyes - he perfectly reviewed every detail, and his photographic memory of calculations made all designs transparent in his eyes. When the enemy thinks the hunt has begun, they realize that they are the prey. The waltz in gunfire is all about heartbeat!
