A mother with a heart of gold navigates the cutthroat world of private education when her daughter tries to join a celebrity math instructor's class.

• Jeon Do-yeon
• Jung Kyung-ho
• Lee Bong-ryeon
• Oh Eui-sik
• Shin Jae-ha
• Roh Yoon-seo
• Jang Young-nam
• Kim Sun-young