Baez confides in Danny and asks for his help in proving her innocence after she finds a corpse in her front yard. Erin struggles to find a peaceful solution when she receives harsh case notes from her boss. Jamie and Eddie butt heads over the handling of a young cops punishment. Frank makes his whole team attend therapy after Gormley exhibits troubling behavior.

Mac and Riley head overseas together to prevent a governmental collapse and inadvertently inhale new deadly microscopic technology.

The task force attempts to stop an abduction by searching for a treasure man who uses geocaching to hide illicit goods and facilitate transactions between otherwise warring criminal factions.

Jimmy pens his weekly Thank You Notes, then chats with Viola Davis before welcoming Addison Rae for a chat and a musical performance.