Kang Min-woo, the head of Koreaโs most powerful conglomerate.And his wife, Kang Hae-naโa woman who cannot speak. After marrying her adoptive older brother, Kang Min-woo, due to her grandfatherโs will, Hae-naโs life becomes a living hell.He locks her inside the house and even turns a blind eye as his mistress, Ha Su-yeon, torments her. In the end, Hae-na decides to divorce him to protect herself and the child she carriesโฆ An obsession that began in the name of love and protectionโand the regret that comes too late. Within it all, a woman quietly breaks down in a cruel marriage.