Choi Go-Bong works in the field of artificial intelligence. His wife died 7 years ago after giving birth to their son Choi Yool. Choi Go-Bong then developed a borg mom 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.

• Yang Dong-geun
• Park Han-byul
• Ivy
• Choi Yeo-jin
• Hwang Bo-ra
• Kwon Hyun-bin
• Kim So-yeon
• Jung Ji-hoon