Seong Hui, the wife of diplomat Baek Sang Ho, shoots at Yeong Sukand is arrested by the police. The media report it is prompted by a love triangle and a prosecutor starts to interrogate Yeong Suk. Misunderstood that his wife has cheated him, Baek Sang Ho tries to divorce and Yeong Suk begins to tell him and the prosecutor about her past. When Yeong Suk was dating a loser of a guy named Sang Geun, she became pregnant and asked for the advice of her half-sister Seong Hui. Yeong Suk ended up giving her child to Seong Hui, who was unable to have children of her own. Seong Hui pretended to be the true mother of the child, and Sang Ho, absent when the clandestine exchange was made, has no idea of the truth. A few years later, Sang Geun returns from Japan and demand one million won from Yeong Suk. She asks Seong Hui for help and Seong Hui promises to have the money ready by selling her jewelry. Since then Yeong Suk begins to frequently drop by Seong Hui's home again and she naturally comes to terms with her son Sik Yi. Yeong Suk regrets having given her son and demands that her baby is returned to her, but Seong Hui stubbornly refuses. Yeong Suk then threatens to tell Sang Ho the truth and heads for his workplace to do so. Seong Hui follows her and fires a shot at her. After Yeong Suk tells the prosecutor the truth, she pleads with him to release her half-sister, and Seong Hui is set free. (Source: KOREAN Film Archive)