The story is about a genius scientist who makes a robot wife in place of his real wife who passed away 7 years ago. Choi Go Bong (Yang Dong Geun) works in the field of artificial intelligence. His wife died 7 years ago after giving birth to their son Choi Yool (Jo Yeon Ho). Choi Go Bong then developed a borg mom (Park Han Byul) using AI and robotics. Choi Yool enters a prestigious kindergarten and the borg mom meets the other mothers there. The mothers group is full of vanity and pretentiousness.