The case, which occurred in 2004, involves two sisters who worked as supporting actresses and lost their lives six days apart.

The case, which occurred in 2004, involves two sisters who worked as supporting actresses and lost their lives six days apart. Yang Sora, a graduate student with excellent academic performance, began working as an extra on the recommendation of her younger sister, Yang So Jung, who worked as a backup dancer. During a shoot in the province of Gyeongsang, the older sister was the victim of repeated abusive behavior by the staff in charge of coordinating the background actors, which over time escalated into extremely serious abuse committed by multiple people in different places connected to the shoots. According to Yang Sora’s own personal records, at least 12 individuals were involved. When she tried to report what had happened, she was intimidated, threatened, and assaulted, while the authorities did not provide her with adequate protection during the process, even forcing her to testify in front of those she had reported. Sora, deeply affected, withdrew the complaint after more than a year and a half. On August 28, 2009, she left a farewell note and decided to end her life. Six days later, her younger sister, consumed by guilt, followed the same path. The impact of the tragedy severely affected the entire family. Years later, the case was reexamined by investigative media and reignited public outrage in South Korea, generating more than 20,000 petitions to reopen the investigation and criticism of institutional negligence.