For the last four years, Hyeyeong has been balancing three jobs to settle her father's debt, all while independently looking after her younger sister, ensuring that she never misses a single payment. Just when she seems poised to finally attain freedom, her life takes an unforeseen twist as she encounters Ji Joochan, the mysterious executive director of Shinwon Finance. Is her fortune about to shift for the better? Or will she find herself ensnared in his shadowy realm instead?