Allie (Taeyeon) and Devon (Leetuek) have been best friends since they were babies. They have planned their whole lives together but one fateful day everything would change. Devon forgot their dreams and he forgot her. Can you continue to be just the best friend even if your heart is telling you that you love him more than you should? Can love forget? Or will Allie be left in the shadows of their memories.

              Kim Taeyeon is a young cardiologist living the life dreamed by so many in her town. Having a successful career at the same time dating the hottest heartthrob the dashing Architect Park Jungsu, what more can she ask for? But what will happen if her fairytale life suddenly crumbles down and she finds herself fearing the same people she once held so dear.

                  They were sisters bonded by blood but also bonded by love. At the disappearance of the other one will be bound to live a life of misery and despair. And from this desolation a frozen heart will be born...

A young family lives in a secluded manor far away from the city after fleeing from a weird entity that followed them from their suburban home. This entity continues to plague them until one day they uncover a truth that would shatter not only their hearts but also their lives.