Reese tries to protect an Internet entrepreneur who targets people's privacy; Carter is paired with a rookie partner.
A murder victim's mother fatally wounds the prime suspect in the case; then evidence suggests the woman hired her daughter's assailant.
A teen model's death leads Briscoe and Curtis to her parents in Baltimore; there they enlist detectives Munch and Falsone. (Concluding on "Homicide: Life on the Street.")