Rain-soaked night murder attempt unravels when father-daughter detectives Lao He and He Ying, grappling with impending retirement and fractured familial bonds, confront a case entangled with their past as suspects lead to the shadowy secrets of the Han Dong couple they once knew.

“My name is Xia Jinsheng. I trade in seafood. When I was 45, my son jumped to his death. On the 37th day after he died, I entered all of his online chat groups. I discovered that they were filled with young people struggling with depression, many contemplating suicide. I didn’t understand why. I left 19,000 messages, spoke to 127 boys and 49 girls — but I still haven’t found an answer.” Through the words and investigation of a grieving father, the film explores the silent digital spaces where despair gathers and the fragile connections that remain between life and death. It is a haunting portrait of love, loss, and the desperate human search for understanding in the age of online isolation.

这一年，雪城的冬天奇寒彻骨。在一座普通的居民楼里，发生了一起惨绝人寰的分尸案，就连身经百战的刑警队长彭兆林见了都不禁毛骨悚然。他无法原谅自己的是，曾与嫌犯邓立钢在楼道里擦肩而过，谁知这一错过就是十年。邓立钢等人流窜各地疯狂作案，专门绑架勒索残杀“夜店女郎”。重案组辗转数省追凶却功亏一篑。这个犯罪团伙突然销声匿迹，他们通过非法手段洗白身份，过起安居乐业的日子。在他们作案中有一位受害人叫甄珍，她在被绑架途中找准时机逃脱成功，但是这次经历让她久久不能忘记，为此她擦去痛苦的记忆努力考上警校，成为女警官。然而，甄珍和彭兆林却时常从噩梦中惊醒，年轻女孩犹如待宰的羔羊，凄惨的哭声萦绕在耳旁挥之不去。在很多年以后甄珍警官同彭兆林根据一条不起眼的信息撬开了尘封悬案，他们踏上了千里缉凶的征程...…