Song Ha Ran is the chief designer of Korea's premier high-end fashion house Nana Atelier. Unlike her flawless, seemingly perfect image, she has locked herself in a winter state due to the loss of loved ones. Song Ha Ran accidentally meets Sunwoo Chan. This causes cracks in her daily life and the balance of her life begins to shake. Sunwoo Chan works as a character designer at a world famous animation studio. He has a bright and cheerful personality, but, behind that, he harbors deep wounds from a mysterious incident from his past. His accidental encounter with Song Ha Ran leads him to face an unimaginable secret.