According to her late husband's will, Yun-Ok takes care of two sons. One is her own son Du-Ho, the other is her husband's illegitimate son Sang-Tae. But life goes to worse day by day, so Yun-Ok decides to send Du-Ho to an orphanage and take care of Sang-Tae. However, as Sang-Tae falls sick, Yun-Ok becomes mentally disordered. When she gets out of a mental hospital three years later, she looks for Sang-Tae who is already adopted to another family. 20 years later, Sang-Tae beco...more

According to her late husband's will, Yun-Ok takes care of two sons. One is her own son Du-Ho, the other is her husband's illegitimate son Sang-Tae. But life goes to worse day by day, so Yun-Ok decides to send Du-Ho to an orphanage and take care of Sang-Tae. However, as Sang-Tae falls sick, Yun-Ok becomes mentally disordered. When she gets out of a mental hospital three years later, she looks for Sang-Tae who is already adopted to another family. 20 years later, Sang-Tae becomes a rich business man who succeeds to his adopted father's fortune and Du-Ho becomes a construction laborer. Yun-Ok happened to meet them but she can not declare she is their mother. That makes her to be in agony. One day Sang-Tae loses his eyes in a traffic accident. Yun-Ok gives her eyes to Sang-Tae and dies. Finally two sons know their mother's love and shed bitter tears of remorse.less