Three women, three men, connected through marriage or infidelity. Each is to blame for something. But only one is a killer in this #1 New York Times bestselling psychological thriller about human frailty and obsession. Just what goes on in the houses you pass by every day? Rachel takes the same commuter train every morning and evening, rattling over the same junctions, flashing past the same townhouses.The train stops at the same signal every day, and she sees the same couple, breakfasting on their roof terrace. Jason and Jess, as she calls them, seem so happy. Then one day Rachel...