Heidi Bradshaw is wealthy, beautiful, and well-connected. She's also a notorious gold digger only recently separated from her latest husband and she's hired Spenser to act as her stand-in spouse.The Boston P.I. is to accompany Heidi to her private island to attend her daughter's wedding. It should be a straightforward job, but when his old nemesis Rugar the Gray Man arrives, Spenser realizes that something is amiss. As a storm strikes, cutting off the island, a kidnapping and a series of murders turn celebrations into chaos.With six dead bodies and more questions than he can handle, Spenser begins a search for answers and the Gray Man.