The Nosy Neighbour by Fern Michaels

Lucy Baker walks away from her high-flying legal career when she successfully defends yet another heinous criminal. Almost a year after her life-changing decision, Lucy has never been happier. Leaving New York City for the suburbs, tending her garden and her dog, Lucy is making future plans with her fiancé, Jonathan St. Clair -- and getting acquainted with her neighbors, including the handsome, exasperating one next door, Wylie Wilson. But when FBI special agents confront Lucy with shocking revelations about her fiancé's secret double life, everything about her husband-to-be is cast in suspicion. Recovering from a freak accident that has left her with a heightened sense of intuition, and getting closer than she ever dreamed to Wylie, Lucy must determine who to trust -- and fast, before someone breaks down her defenses and targets her....