When Nell reads the obituary of a former board member, Adeline Harrison, she makes a mental note to send flowers and doesn’t think twice about it—until FBI agent James Morrison shares his suspicions about the nature of Adeline’s death. It turns out that a number of other members of the local cultural community have died in the last few months, under similar circumstances.

Soon Nell uncovers what seems to be a plot to rid Philadelphia of harmless, elderly philanthropists—but why? If she can figure out the killer’s motive, she has a chance of stopping the misanthropic murderer before another do-gooder is done in…