It's a story about psychological disorder. Twelve years ago, Lin Mo's mother, who was diagnosed of depression, wanted to kill herself and Lin Mo. Tai Yingjun, showing up like sunshine in Lin Mo's life, saved him. Twelve years later, after doing the Psychopathy Checklist-revised (PCL-R), Lin Mo was diagnosed of mental disorder. Will Lin Mo be saved by Tai Yingjun again?