Working under the code name Ashlyn, Jennifer Hunter is hired by suspicious wives and girlfriends to conduct her infamous "fidelity inspection" on the men in their lives. Between bachelor parties and business trips, "Ashlyn" has successfully exposed hundreds of unfaithful men. Of course, she never actually sleeps with any of them; she tests for an intention to cheat only. But Jen's double life starts to take its toll and her friends suspect that the reason she hasn't had a date in two years is more complicated than the demands of her supposed "investment banking" career.And when a suspicious email surfaces with her picture on it warning men of her real motives, Jen fears that her secret identity is in danger of being uncovered. Plus, her best friend Sophie now plans to hire "Ashlyn" for an inspection of her own! Just when it seems like nothing is going her way, Jen meets sexy, sophisticated Jamie Richards. She knows there's no room for romance in her life, but she finds herself more and more drawn to him. It doesn't take long to realize it's time to retire Ashlyn for the sake of true love but not before taking on one last assignment - a job which will change everything.