The bigger debt you run up the better." Despite his banter he was very savage and he flung her hands from him.
She at once laid hold of the strap to open the window.

He burst into a loud laugh.
"So the bird would escape," said he mockingly.

"I thought as much." She tugged at the strap but tugged in vain.

The window refused to budge.
Then it flashed across her mind that it was all part of a plan.

She was to be trapped.