Rachel is unemployed and devastated by a recent divorce. She fills her time with drinking, riding the commuter train, and fantasizing about a seemingly perfect couple the train passes by every day. Then one morning, Rachel sees something shocking that unravels her and entangles her in an unfolding mystery.

A gripping noir crime thriller set in late 1930s Bay City centers around a brooding, down-on-his-luck detective; Philip Marlowe, played by Liam Neeson, who is hired to find the ex-lover of a glamorous heiress, daughter of a well-known movie star. The disappearance is the first twist in a series of bewildering events, and soon Marlowe is embroiled in a deadly investigation and web of lies that he's determined to bring to light.