Synopsis: After the arrest of her younger sister, Kijeong, for a case of child abandonment, Yoojeong — a nurse and her only remaining family — does everything she can to help her. Confronted with Kijeong’s silence during the investigation, she turns to her sister’s best friend in search of answers and finds unexpected paths. Despite a series of setbacks, Yoojeong discovers a legal loophole that could change the outcome. An intense drama about family bonds, sacrifice, and the strength of sibling love. How far would you go to save someone you love?