Wracked with guilt for not following his instincts on a domestic disturbance call when the woman involved is reported missing and presumed dead several hours later, Tom works with Katherine to uncover the whereabouts of the woman and the person who murdered the chief suspect in her disappearance.
When the body of a college student is found in a house under renovation, David joins forces with Katherine, Joel, and Fearless to determine which of the victim's frat brothers is responsible for his demise and burial in the wall of their former frat house twenty years earlier.