Taiwanese drama《Law Of Permanence》the fourth drama produced by VBL.It tells the story that Hengji Intelligent Technology Company has developed nine AI intelligent anthropomorphic products-the Hengren series. Among them, the main function of Heng9 (played by Huang Lifeng) numbered 9 is to enhance the emotional aspect.Chu Yiping (played by Wu Bingchen), who is indifferent to life but full of research spirit, has been promoted to the youngest professor of the school.Chu Yiping was taken care of by Hengjiu for some reason, and the companionship of the realistic robot made the professor feel disturbed and gradually became like a human being. He thought that the robot could accompany him forever, but is this really the case?

Chu Yiping (played by Roy Wu Bingchen)

He had a weird personality since he was a child. He never acted coquettishly with his parents, was not friendly with his classmates, and had no one to call him a brother.He is not interested in external things. No matter what big things happen outside, it has nothing to do with him.Now he becomes a history professor just because he doesn't like the uncertainty of life.In an accident, he unexpectedly received home care from the AI ​​artificial intelligence Hengjiu (played by Huang Lifeng). Unexpectedly, Hengjiu would change his life...

Heng 9 (played by Leo Huang)

Whether it is physiological functions or psychological reactions, they are the same as all human beings in daily life.He was assigned to take care of Chu Yiping (played by Wu Bingchen) in his daily life, so Hengjiu began to experience learning with him, learning how to dress up, how to speak, and how to be a person. He also unexpectedly experienced love with the indifferent Chu Yiping...

He Li (played by Chen Zixuan)

She has a hot body and a proactive and jealous personality.Chu Yiping doesn't have much leisure life, so all her work schedules are under her control.She likes the professor and thinks she understands him, but she doesn’t know that the professor does whatever he wants with her just because he doesn’t care at all.

Wei Heng (played by Zhou Yongxuan)

He has a casual and romantic personality and likes to push unrealistic ideas into experiments in various departments.The AI ​​intelligent anthropomorphic product is the Hengren Project he promoted. Nine test models complement the deficiencies of humans.He entered his nephew's preferences into the Heng9 database, hoping that his nephew would be more humane by communicating with the robot...