Sonny learns that a woman that he slept with 10 years earlier has shown up to tell him that she has a son... and he might be the father.
When Hunter and McCall investigate the murder of an unidentified man, their interest is piqued because the victim seemingly never existed -- and the killing appears to be a professional murder.
As doctors prepare to operate on the paralyzed McCall, Hunter races against time to exonerate himself and find whoever is killing potential witnesses in a deadly prostitution case.
Hunter is frustrated in his pursuit of a package bomber whose ruthless methods are being used to systematically kill the participants in the man's trial.
The wife of a businessman who was killed in an explosion on his yacht becomes the prime suspect when Hunter and McCall discover that she was recently removed from his will.