"Rachel takes the same commuter train every morning ... past a stretch of cozy suburban homes, and stops at the signal that allows her to daily watch the same couple breakfasting on their deck. She's even started to feel like she knows them ... Their life - as she sees it - is perfect. Not unlike the life she recently lost. And then she sees something shocking. It's only a minute until the train moves on, but it's enough. Now everything's changed....

When a young man is found gruesomely murdered in a London houseboat, it triggers questions about three women who knew him. Laura is the troubled one-night-stand last seen in the victim's home. Carla is his grief-stricken aunt, already mourning the recent death of yet another family member. And Miriam is the nosy neighbor clearly keeping secrets from the police. Three women with separate connections to the victim. Three women who are, for different...