一连串带有仪式色彩的凶杀案在小镇引起轩然大波，一名侦探与一名退休警察必须对一庄与各自的过去有深刻联系的谜案展开调查。

The story follows a recent divorcee who spends her daily commute fantasizing about a seemingly perfect couple who live in a house that her train passe