The main character met a man in a bar in England and had sex with him. The female protagonist returned to the country and saw the man again. She found out that it was her sister.

The female protagonist met a man in a bar in England and had sex with him. When the female protagonist returned to the country, she met the man again and found out that he was her sister's (not her biological sister) fiancé. He was also the boss of the company she applied for. He had only seen so much.