An orphan, honoring her late grandfather's wish to do good, survives a perilous border village by defeating bandits. Mistaken for a missing heiress, she enters high society and faces suspicion. With sincerity and programming skills, she wins over the family patriarch and a skeptical rival. During a mall hostage crisis, her calm resolve saves everyone, earning public acclaim. At school, her continued bravery against injustice makes her the admired "treasured daughter" sought after by many elites.
