The blacksmith lady is killing people in the harem, and her son is responsible for it.

Introduction: Qin Wan, a social phobia, traveled through time and had a wedding night with a strange man. Qin Wan was socially dead and could only close her eyes and pretend to be dead! What? The groom has someone in his heart? She became the third party? Then...then she doesn't want this groom anymore, so she'll give it to that green tea cousin! Unexpectedly, she wanted to live a peaceful life, but some people wanted to provoke her. Not giving her food, but imprisoning her? It's okay, I can pole vault! I'll find food by myself. Mother-in-law is arguing and setting rules? It's okay, I'm a night owl and can come to pay my respects in the middle of the night. Cousin is provocative, and she wants to play the role of cousins? It's okay, I'm good at provoking, so that you two lovers will end up as resentful couples! The enemy army attacked and left her behind...