The actors on the top floor include Li Zhiya, who plays Shen Xiulian, Kim So-yeon, who plays Qian Ruizhen, Liu Zhen, Yan Jijun, who plays Zhu, Yin Zhongxun, who plays He Yin Zhe, and Shen Enjing, who plays Jiang Mali.

"The Top Floor" is an urban crime drama, which tells the story of three women who make a series of incredible moves for the sake of family love and climbing high.

Shen Xiulian in the play was originally a gentle and beautiful woman, Zhu's ex-wife. But because of the children, they became irrational and even did something unexpected. For the sake of children, she would rather give up her happiness, and she is also a painful woman.

Qian Ruizhen is He Yinzhe's ex-wife and Zhu's current wife. She is a domineering woman, very self-centered. She thinks her world is the center and everyone should revolve around her. She did a lot of work for her husband's promotion. She is a woman of great skill and ambition.

He Yinzhe's current wife, Wu Yunxi, is a real estate consultant. She once gave up her favorite vocal music. After her husband died, she lived a tight life. Later, for the sake of her daughter, she treated rich people as customers and made money by illegal activities.