Forced into a loveless marriage with Jeon Jungkook, YN's life becomes a constant struggle between duty and survival. As the CEO of a thriving company, Jungkook's cold and demanding nature drives her to work under him as his personal secretary, a role she reluctantly accepts to appease her in-laws. Overworked and undervalued, YN battles silently with her condition-Cold Agglutinin Disease, a rare disorder where exposure to cold temperatures triggers the destruction of red blood cells, leading to severe fatigue and pain.
During a crucial business trip to Switzerland, Jungkook sends YN into a dangerous snowstorm to meet a business partner, oblivious to the risks her condition poses. Lost and fighting for her life in the freezing wilderness, YN's strength and resilience are pushed to their limits.
As Jungkook learns of her illness and the consequences of his actions, will he finally confront the walls he's built around his heart, or will their bond remain as frozen as the snow-covered Alps?