In 'Big Time: A Novel,' Grace Berney, a middle-aged, single mother working a monotonous job at the FDA, has her world upended when she uncovers a dark and clandestine conspiracy. The discovery of a young woman who has undergone an enigmatic procedure sets Grace on a perilous path. Against her better judgment, she decides to protect this stranger, putting her career and life on the line. What she finds is a shocking trade in the most precious commodity of all: time itself. Hunted by a relentless mercenary, Grace must confront the metaphysical enigma of our existence, as she navigates a thriller that defies the very notion of time being a constant.