On a pitch-black night, corporate wage slave Qi Yan sees his first love — the one that had passed 10 years before. After quite a bit of pestering and persuasion, he finds himself forced into the miserable lifestyle of working during the day and investigating at the night. The topic of the investigation? Finding out who the culprit is. Can the top who had passed years before successfully manage to be resurrected?

一个漆黑的夜晚，社畜祁言见到了他十年前死去的初恋。在对方的软磨硬泡下，被迫开启了白天上班，晚上查案的悲催生活……真凶到底是谁？死去的攻能不能成功复活？