A wisecracking NYC private detective earns a living by exposing cheating husbands to their wives, but when he falls for a client, he starts to reconsider everything he believes.
New York's Odyssey Detective Agency is hired by two different clients to follow two women suspected of infidelity. Ladies' man John Russo trails Angela Niotes, the elegant wife of a wealthy Italian industrialist, while Charles Rutledge and Arthur Brodsky follow Dolores Martin, the beautiful young wife of a jealous husband. Their respective cases are complicated when John falls for Angela, and Charles falls for Dolores.
Following the brutal murder of a young real estate agent, a hardened detective attempts to uncover the truth in a case where nothing is as it seems, and by doing so dismantles the illusions in his own life.
A husband is on trial for the attempted murder of his wife, in what is seemingly an open/shut case for the ambitious district attorney trying to put him away. However, there are surprises for both around every corner, and, as a suspenseful game of cat-and-mouse is played out, each must manipulate and outwit the other.
On the set of a playwright's new project, a love triangle forms between his wife, her ex-lover, and the call girl-turned-actress cast in the production.