After Lyra's mother dies in a car accident, her father Charles-obsessed with maintaining appearances-brings home Grace, the daughter of the reckless driver who caused the crash. To “balance” the family, Lyra’s brothers drain her resources and trample her dignity to favor Grace. Despite her unwavering sacrifices, Lyra endures their neglect and Grace's constant manipulation until she finally cuts all ties. Without Lyra's support, the family's shooting team collapses in defeat. Their world shatters when they uncover the truth: Grace’s father is the drunk driver who killed their mother. Now drowning in regret, the family realizes too late that Lyra is the one they should have protected-not betrayed.