Desperate for a reunion, Hwang Geum-ju seemingly finds her long-lost daughter. After discovering the truth, Gang Nam-soon prepares for her trip to Korea.

Si-o vows revenge after discovering the truth about Nam-soon. While Hee-sik continues his investigation, Nam-soon and her family go on a trip to Busan.

Mourning the loss of Hwa-ja, Nam-soon directly challenges Si-o. But he refuses to lose, forcing her to endure incredible pain to save her adopted mother.