Brett DelBuono

Cuddy receives news that forces her to re-evaluate her priorities; a teenage patient's suspicious body scars suggest his illness is more than physical.

Detective Slaughter returns to enlist Castle's help in solving a high-stakes robbery case. But when a body is found linked to the crime, Slaughter becomes the number one suspect in the heist turned murder, while Castle has to determine whether he's guilty or help to prove he's innocent.

Nancy is ready to get her life back on track, and starts anew with a job search. Jill drops a bomb on Andy and Doug. Silas must track down the location of his stolen plants. Shane uses his superior intellect to make some extra cash at the police academy.

Cooper gets bad news about Charlotte's sexual assault case; a case involving a pregnant drug addict hits Addison hard.