This is the one where she goes on as an escort/date for her boss.
But the guy turns out to be a sleaze. The H offers to help her get away...
Official blurb to follow

t’s a one-time-only offer
Until their chemistry ignites!

Self-made tycoon Costa Leventis knows exactly what desperation looks like—his bespoke suits mask his troubled childhood. One glimpse of Mary Jones, fending off a business rival, has Costa coming to her rescue with the offer of a lifetime—his hotel chain will hire her if she attends a party with him.

After years fighting her own battles, innocent Mary’s dazed by Costa’s generosity…and their outrageous attraction! She accepts his terms, but when the clock strikes midnight on their deal, Cinderella finds herself unraveling in the Greek’s bed