The Favour, the Watch and the Very Big Fish

The Favour, the Watch and the Very Big Fish is a 1991 comedy film directed by Ben Lewin, starring Bob Hoskins, Jeff Goldblum and Natasha Richardson. The story, set in Paris, follows the fateful meeting of Louis Aubinar with Sybil, who brings into his life her last unfortunate lover, the Pianist. The plot is based on the novel by Marcel Aym.

In spite of his terrible situation, Louis agrees and goes to Zalmans job, which turns out to be voice dubbing for pornographic films. In shock, he takes his place near Sybil Natasha Richardson. Dazed and traumatized, he inadvertently has a loud, intense orgasm, impressing Sybil. They meet cute, and Louis introduces himself as Zalman, to cover his friends absence.Sybil tells Louis the story of her last unfortunate relationship with a passionate but delusional Pianist Jeff Goldblum, who worked in the same restaurant as she did. A girl having her birthday party at the restaurant offered Sybil a watch, so that Sybil would make the Pianist smile while he played. They become close, and their passion improves his playing, and by consequence the reputation of the restaurant. A Violinist begins playing at the restaurant, also performing passionately, and is attacked by the Pianist in a jealous rage which landed him in prison for three years, due to be released the next day. ........

Source: Wikipedia