Etsivät vauhdissa was released in the year 1981。Etsivät vauhdissa is also called as They All Laughed, Todos rieron, Sie haben alle gelacht, Romance em Nova Iorque, Oni wszyscy sie smiali, Nuestros amores tramposos, Muito Riso e Muita Alegria, Et tout le monde riait..., ...e tutti risero。

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.

Etsivät vauhdissa actors and actresses include Audrey Hepburn, Ben Gazzara, Elizabeth Peña, John Ritter, Peter Bogdanovich。