Cassia West could feel his eyes on her before she ever heard his voice.

The air in the surgical prep room was too still, the silence too sharp, and her body—too aware. She’d been carefully arranging the sterile tools like instructed, her gloved fingers trembling just enough to give away her nerves. This was her first shadow rotation with the elite research and surgical team of St. Adrian’s Hospital. She’d fought like hell to earn this spot, pulling all-nighters, giving up weekends, ...