When a female spy who transforms into a political wife learns that her beloved is murdered, a dusty past is revealed.The old killer and old friend who fought side by side in the past reunites and embarks on a bloody journey of pursuing the truth and revenge.In the maze of power woven by lies, she not only has to face the shocking conspiracy behind her lover's death, but also has to find an outlet for self-salvation between cold-blooded tasks and passionate emotions.