Drama 'Stupid Mom' is flooding small screens with tears.

SBS's weekend drama 'Stupid Mom' portrays sadness at the truth of which Sun Young (Ha Hee Ra)'s younger sister Young Joo (Kim Hyun Joo) is actually her daughter.

Sun Young, who displayed infinite affection for Young Joo, has been crying alone trying to hide the existence of her daughter. Young Joo, who is at times imposing but when it comes to family, draws tears. The heartbreaking emotion of Dat Byul (Ahn Seo Hyun), who finds out about her parents' divorce, is making viewers cry as well.

Netizens responded, "When I watch the drama, I think of my mom and tears flow automatically. Such a pitiful character. Why you do make a person cry like this?"