Once thriving but now facing financial ruin, Jang Solbi becomes the secretary of Choi Seokyoon, the chairman of a powerful corporation. Grateful for the support during her family's hardship, she works tirelessly to repay their debt. However, following the loss of her parents, Solbi uncovers the dark truth behind their tragedy and seeks revenge against Chairman Choi. After years spent working for him, the moment finally arrives, yet her plans are foiled by Choi's son, Leehwan. Even after witnessing Solbi's hatred towards his father, Leehwan proposes a disturbing deal: comply with him, and he'll overlook her attempted murder. Despite her initial repulsion, Solbi reluctantly accepts, hoping for a second chance. As time passes, she discovers an unexpected attraction to Leehwan. Is her interest mere curiosity, or is this evolving relationship destined to become something deeper?