In His Keeping: Banished:

Exiled to a luxurious penthouse fortress on Park Ave. and trailed by security teams wherever she goes, Sylvie Jenkins feels like a virtual prisoner.
She made the mistake of falling in love with her boss, reclusive bestselling author and billionaire entrepreneur, Connor Hudson. He's a strict, demanding Dom, who imposes rules and metes out punishment. He wants her total submission, but she's not inclined to give it. They'd been living together in his rustic mountain mansion until the day polic...