It would help if you’d posted a link to the text https://books.google.co.uk/books?id=j4kkDwAAQ...
i just skimmed it and my take is as follows:
Roy is an Australian farmer in with a chance to inherit this farm, once Amy has died.
When he arrives, he comes across as a deliberately rude, misogynous macho twit, so that
and the also deliberate use of Australian slang (fair dinkum - zweifellos) is what’s annoying Fran.
My prediction is that at the end of the book she will sink into his muscular Aussie arms with a sigh
whilst a blood-red sun drops below the horizon.....