Korean action movies. The story tells the story of the gradual outbreak of benevolence (Li Shiying) in order to find the whereabouts of the missing sister Eun Hui (Park Shiwan). This is an action film with a vengeance color. Li Shiying plays Benevolence as a full-time bodyguard who is jailed for being involved in excessive security disputes. After getting out of prison, she dreams of living an ordinary life with her sister, who suddenly disappears. Neither the school nor the police helped, so Benevolence had to find her sister on her own.