What happens when the dark, mysterious stranger you met outside a bar one late night suddenly turns up as a new student in your class? Fraine's life is not at all what she expected. Fresh off a breakup and stepping into her role as Harvard's newest cybersecurity lecturer, she suddenly finds herself alone and with a serious case of imposter syndrome. Now after being stood up at a bar by her ex-boyfriend, Fraine is convinced her life is over. But a chance encounter with a dazzling new friend and a dangerously handsome stranger changes everything. This mystery man seems to be everywhere-outside of the bar, on her run, and, possibly worst of all, on the roster of her Harvard cybersecurity class. As Fraine struggles to make sense of his intentions, unsettling rumors ripple through campus, setting her students on edge. Something dangerous is happening on campus and her star student seems to be caught in the middle. With a budding social life, a crime unfolding before her eyes, and an undeniable attraction pulling her in, Fraine must decide: can she trust the man who keeps appearing in her life or will she tumble into the darkness first?