A hurricane hinders a kidnapping and Spenser goes on a search for the man responsible— the infamous Gray Man, who has both helped and hunted Spenser in the past.

Heidi Bradshaw is wealthy, beautiful, and well connected —and she needs Spenser's help. In a most unlikely request, Heidi, a notorious gold digger recently separated from her latest husband, recruits the Boston P.I. to accompany her to her private island, Tashtego. The reason? To attend her daughter's wedding as a sort of stand-in husband and protector. Spenser consents, but only after it is established that his beloved Susan Silverman will also be in attendance.

It should be a straightforward job for Spenser: show up for appearances, have some drinks, and spend some quality time with Susan. But when Spenser's old nemesis Rugar—the Gray Man—arrives, Spenser realizes that something is amiss. A storm, a kidnapping, and murder tear apart what should be a joyous occasion, and Rugar is seemingly at the center of it all. The only thing is that the sloppy kidnapping is not Rugar's style—as Spenser knows from past encounters. With six dead bodies and more questions than he can process, Spenser begins a search for answers—and the Gray Man.

With its razor-sharp dialogue, crisply etched characters, and high-wire narrative tension, Rough Weather once again proves that "Robert B. Parker is a force of nature" (The Boston Globe).