No Mercy

Season 1, Episode 4: The beginning of a game of deception and deception

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Unlike the call center, Somin, known as the luxurious Ilseongpa stronghold, catches Seokgu's eye thanks to her overwhelming skills. Seokgu senses a familiarity yet a strangeness in her, and becomes suspicious of her identity. However, Somin exposes the Heungsam-i faction's spy, averting the crisis and earning Seokgu's trust.