All that is good can be ruined. Fate is unfair.  Soo Jung [Krystal] and Soo Young [Joy] are best friends; inseperable at the least. Soo Jung finds herself falling deeper in love with her best friend every day, but she keeps her feelings to herself to keep their frienship safe. The two girls' lives are turned upside-down when Soo Young is hit by a drunk driver and loses her ability to see for the rest of her life. Fate is unfair. We must take what we are given and make the best