Called upon by The Hammond Museum and renowned art scholar Dr. Ashton Prince, Boston PI Spenser accepts his latest case: to provide protection during a ransom exchange-money for a stolen painting. The case becomes personal when Spenser fails to protect his client and the valuable painting remains stolen." Spenser takes his failure seriously and returns his fee to the museum and vows to find the killer as well as the stolen painting. Both Susan and Pearl play their usual roles as do Spenser's colleagues with the state and local police, but there are no appearances by Hawk in this episode.