Spenser: For Hire (1985)

Season 3: Episode 1

A cop who helped send a gangster's son to prison years ago has been hiding, cause the gangster wants to get him. But now he wants to come home, so he and his father, asks Spenser to act as intermediary. While the gangster is unwilling to settle for nothing less than seeing him dead. Spenser tries to see what he can do. At the same time Spenser has to deal with Susan, who came back to town, and would like to see if they have a future, but this case is taking up all of his time.