Episodes 5 & 6; 7 & 8

Today, 6:30p.m.: Hae Kyung, Ji Ae and Hwa Sook, three mothers from the Gangnam academic district, feel threatened by Eun Young, who knows their secret. Yoon Jin makes a dangerous deal to find her daughter's kidnapper. 

Today, 7:45p.m.: Yoon Jin gives Eun Young the pink slip. However, she takes her back as Min Joon's tutor, when she sees Eun Young standing up for her son. Eun Young learns of the accident. Jung Wan gets furious when Yoon Jin tells him she wants to stop pursuing the case.

Episodes 1 & 2; 3 & 4

Today, 6:30p.m.: A mysterious drama centered around moms, whose lives depend on their children's education. Yoon Jin is a psychiatrist who devotes her life to her family and child, sacrificing her life. Eun Young assists children with exams and education. A mystery is about to surface with Eun Young’s appearance. She moves in to the neighborhood to find answers to her sister's disappearance. 

Today, 7:45p.m.: Eun Young moves in to Yoon Jin's house as a private tutor for the kids. A tension between the two is palatable. Eun Young tries to bond with Yoon Jin's son.