Brenda's investigation into the rape and murder of a young girl begins to affect her emotions, and in order to close the case she makes an unlikely deal.
Laura is excited about joining a sorority until she learns Steve has been named the star of its annual geek party.
Harm goes head to head with Mac in the courtroom while defending a Marine guard for shooting a terrorist prisoner.
Kirkendall's son witnesses the murder of a convenience store clerk. Medavoy and Martinez investigate the death of a homeless man.