Call 112: A gang of pharmacists, intent on seizing Hyun-ju's inheritance, systematically approaches her. The leader of the gang is her ex-husband. Before they can seize her inheritance, internal conflict arises within the gang, and they are all murdered by the leader. Meanwhile, the police, aware of this, launch a nimble investigation. The leader, determined to keep her inheritance, persistently pursues her, but ultimately fails and is arrested. She is rescued from a near-death experience.