Ai Jing, who has her own world, becomes complicated because of Fei Mo's intrusion. Yifeng she meets makes her feel happy, and Benjie whom she meets on a stranger's road gives her a shoulder to lean on. She is happy-go-lucky and can never remember other people's faces. She has a weird personality and is very compassionate. However, along the way, when she is about to open her heart to love, she is kicked out of the Temple of Heaven by the person she loves. Pushed downstairs, just when Yifeng promised to give up on her, Benjie was about to let her go, and everyone was blessing them, she, who was disfigured and fractured due to falling from the building, disappeared from the world the night she was sent to the hospital. No one knew where she went. Fei Mo, Benjie, and Yifeng all searched for her frantically but found no news. Her whereabouts suddenly became a mystery. And just when everyone was about to forget her, she came back quietly, forgetting everything, the people who loved her, and the people she loved. No one knew what happened, but the arrival of the mysterious man made everything dull...