PI Spenser is back and embroiled in a deceptively dangerous and multi-layered case. Someone has been killing racehorses at stables across the south, so the Boston PI travels to Georgia to protect the two-year-old destined to become the next Secretariat. Spenser is approached by the president of the Three Fillies Stables, to find out who is threatening his horse Hugger Mugger and disregarding the resentment of the local Georgia law enforcement, Spenser takes the case. The case takes a more deadly turn when the attacker claims a human victim, and Spenser must revise his impressions of the Three Fillies organization - and watch his own back as well…