After her best friend Lin Sui dies a horrific death, Shen Zhiyao unexpectedly returns to three days before the crime and vows to change fate. Forced to work with cold-faced forensic examiner Jiang Yanci, she discovers through one loop after another that the truth is darker than the murder weapon. The silence of veteran police captain Zhou Linchuan, the strange behavior of intern doctor Su Tang, and the mysterious dealings of exposé blogger Chen Yu are all quietly reshaping things in the folds of time. When every rescue leads to a new death, she must learn that time can't wash away every crime.
