The series tells the story of the invention of artificial intelligence robots in 2035, which look exactly like humans but are machines inside. "Chipmen" have entered the lives of thousands of households and provide a full range of services for ordinary human life. Problems such as elderly care, medical care, and education have been properly solved because of the emergence of "Chipmen". What humans don't know is that several "Chipmen" who already have human consciousness and emotions have also appeared in human society.