Ha So-min, a former police university student turned struggling actress, seeks revenge after her parents are destroyed by a voice-phishing organization called Ilseongpa. Using her acting skills and knowledge of technology, she infiltrates the criminal group, assuming multiple identities to uncover their operations. Along the way, she forms a tense alliance with Park Jeong-hun, a detective pursuing the same criminals, navigating a dangerous world of deception, espionage, and high-stakes fraud.
