The detectives investigate a murder committed during a prison riot, while Pembleton jeopardizes his recovery as he practices for his firearms exam.

The arrival of a new Chief Medical Examiner upsets Bayliss at first, but results in an old case's exhumation and correct determination as a homicide. The FBI investigation of Kellerman continues, increasing his frustration. The marriages of Pembleton and Lewis are tested, but with quite different results.