Yun Weishan sneaked into the mysterious and dangerous Gongmen family as a spy. During the execution of her mission, she was entangled in the fate of Gong Ziyu, who was in a difficult situation. The two are attracted to each other amidst suspicion and temptation, and protect each other in the whirlpool of family disputes and identity secrets. Facing the ensuing crises and calculations, they must make choices between their established fate and personal emotions, and seek vitality and true self on the edge of the blade.
