In her previous life, on the day the person she loved confessed to her, she was hit by a car. Then, while being rushed to the emergency room, she was given the wrong blood type and developed an incurable disease. Forced to part from her beloved, she gets a second chance at life and sets out to find him, determined to give him a carefree life and prevent the tragedy of her past from happening again. Little does she know, he has also returned with the same purpose.
