Legendary espionage agents give girl power a whole new meaning in this thrilling action comedy. Once part of Korea’s top secret National Intelligence Service, a group of talented female agents are reassigned to go undercover in a case involving corruption and leaked trade secrets at the country’s largest conglomerate. After several mistakes during important missions, Baek Chan Mi was reassigned to the cybersecurity team, but dreams of returning to her former role. Hwang Mi Soon has left agent life behind and become a full-time homemaker. Meanwhile, Lim Ye Eun, a smart single mom and desk agent dreams of being promoted to an undercover spymaster working in the field. Their lives collide when Don Kwan Soo, a longtime director in the NIS, recruits all three for a do or die mission. With danger looming, can they work together to complete this crucial mission, or will their shortcomings get the best of them?