This book has two major plots. The two major plots involve cases in which Boxer quickly becomes involved. Someone is gunning down San Francisco drug dealers and also an undercover cop is gunned down by the same killer. One of the weapons used was taken from her own department's evidence locker, indicating the involvement of a rogue cop. The second major plot involves Boxer, when two heads appear unexpectedly in the garden of a mansion owned by a world-famous actor. More heads are unearthed in the garden.