Su-jin, a beautiful and vibrant girl, deeply falls in love with her carpenter fiance Chol-su. They embark on the journey of their adult lives as do most young couples-by getting married, buying a house and starting a family. However, Su-jin is soon diagnosed with Familial Alzheimer’s Disease, an amazingly rare and hereditary form of AD that afflicts people aged from 30 to 60 years. Unlike common AD ravages its victims at an accelerated rate and death is imminent within a year. The youngest diagnosed patient was 28 years old; Su-jin is 27 years old. The young lovers lives are changed forever. They had the perfect life, but the fate is never kind to star crossed lovers in the realm of the Korean romantic tragedy.