Spenser, a Boston private eye, agrees to help a former client, a young prostitute who is now a well-established madam, discover who is trying to blackmail her and uncovers connections with local kingpin Tony Marcus.
Investigating the perpetrators of violent off-field incidents who compromised the public image of a star linebacker before kidnapping his young son, Spenser assembles a team of associates to comb through the underworld of Boston.
After Daryl Gordon decides to reopen her mother, Emily Gordon's murder case after thirty years, private investigator Spenser faces very difficult and dangerous events which will test his bravery to the limit.