That $68,000 dollars was for something. And allegedly a sex act occurred.
The 68k was for silence, according to her she was given hush money. He was paying her not to call the police or media to report him for rape and/or assault. She apparently had visible bruises, a chunk of hair was missing, and her face was swollen.
You're skipping something trying to say she was paid for sex but she said she didn't voluntarily have sex with him, he beat her up and then had his way with her. There was no sort of agreement that he was paying for a sex act though, no matter how it looks.