In her last life, she was the sharpest blade in the army, but she died under the gun of the person she trusted the most. Reborn on a rainy night in 1943, she intercepted the fatal coded message first. This time, she will make all betrayers pay with blood. It's just that the man codenamed "Gu Zhou" - the man who personally executed her in her previous life, actually stood in front of her again.