麻醉科医生陆嫣在一次上夜班的途中“偶遇”已经死亡多年的好友邓蔓，之后身边的怪事便接踵而至。在查明真相的过程中，陆嫣分手多年的前男友，刑警江成屹也被卷入其中。被掩藏八年的真相，一步一步就此揭开。
Adapted from the eponymous novel by Ning Long, it tells the romantic love story of the reunion of the detective Jiang Chengyi and the anesthesiologist Lu Yan. They encounter each other by chance eight years after breaking up, and unravel their misunderstandings as they work together to solve a serial murder case. Since the anesthesiologist Lu Yan (played by Sun Qian) “runs into” her dead college friend Deng Man (played by He Hongshan) during a night shift, strange things around her occur successively. As the investigation proceeds, the detective Jiang Chengyi (played by Johnny Huang), Lu Yan’s ex-boyfriend from many years ago, is embroiled in it, and the long-hidden truth of eight years is gradually revealed.
A trama segue Lu Yan, uma anestesista que, durante um plantão noturno, encontra sua amiga Deng Man, que supostamente estava morta há anos. A partir desse encontro, eventos estranhos começam a ocorrer. O detetive Jiang Chengyi, ex-namorado de Lu Yan, se envolve na investigação, revelando segredos ocultos por oito anos.
