What happens when what you know can't explain what you experience? That's the crisis facing Kelsey Kane, a twenty-seven-year-old single mother who's desperately trying to build a life for her and her seven-year-old son. As she nears the end of her formal education—and is tantalized by a life just beyond her reach—she finds everything she's learned in graduate school is about to become academic. Kelsey will encounter a fierce reminder of the limits of logic—as well as her own insecurities—as she battles to save herself, her son, and her sanity from the clutches of a creature that can't exist—but which does.