That's the point of the film, it sets the tone from the get go.
She recognized that tone; he was going to back her, but have his own fun.
Shaw's tone went from sharp to flat in the space of a second.
Now his tone of voice had gone all strange, and he asked, "Just where are you bringing us down?"
His tone had gone flat, and hardly matched the words.
Her tone went like a hand that stroked his hair.
"I thought we were past the beginning," she said, the flirtatious tone suddenly gone.
"Something like that would take the attraction out of our wedding night," he said, his tone having gone dry again.
William let the tone go and accepted the words.
Insofar as the book's tone and texture go, a good deal is left to be desired.