Once Is Not Enough 1975

They fly first-class. They eat in the most elegant restaurants. They make deals that will astound you. They make love that will shock you.

Directed by Guy Green

An over-the-hill movie producer marries a wealthy, spiteful woman and closeted lesbian just to please his spoiled daughter who then, in an attempt to spite him, seduces both a wealthy playboy and a local screenwriter.