She was once the gentlest Bai Yueguang in the city, but now she is accused of being the mastermind behind the serial murders. When the criminal police captain Lu Zhao found her signature on the blood-stained medical record, the love of the past turned into a hanging sword. Funeral home restorer Su Man acquiesces to her destroying evidence. Reporter Qin Yan has a recording that can subvert the truth. And the girl who always makes origami butterflies at crime scenes is weaving the only web of salvation with silence. No one knows that forgetting is not an escape, but the last line of defense set up by her own hands.