In a world of wealth and power, the fate of a family business rests on a single, impossible decision. Jisoo, a young woman with her own dreams, is forced to agree to a marriage of convenience with the enigmatic Taehyung, a move orchestrated by her father to secure a crucial investment. But the deal comes with a chilling caveat: her sister Jennie, secretly in love with Taehyung, demands Jisoo never fall for him. Bound by a pact built on fear and desperation, Jisoo must navigate a web of secrets, betrayals, and forbidden desires, questioning whether love can truly bloom within the confines of a marriage built on lies. Will Jisoo find her own happiness or be consumed by the dangerous game her family has set in motion?