The CBI team investigates a 25-year-old case that seems to involve both Red John and the Visualize group; while Lisbon contemplates her future.
After Dr. Shaun Murphy treats a patient who is a social influencer, he deals with unwanted attention. Meanwhile, the team treats a woman who is in abdominal distress after an at-home fecal transplant; and Dr. Carly Lever's efforts to separate Shaun from Lea are challenged.
Sloane is adamant that a man who held her hostage and tortured her years ago in Afghanistan, and was believed to have been killed following her rescue, is alive and in D.C.
When Andrea's neighbor begins renting his house out on Airbnb, Andrea tries to avoid a confrontation. Plus, Andrea and Mike struggle to find a new babysitter.
After leaving a note behind Maya’s back, Ray takes sides against the family when Maya dings a nearby car. Following through on a promise, Jimmy and Dylan share a moment, as father and daughter are on a search in the back room at the local supermarket while JJ teaches a rude customer a lesson, and a moonlighting Kenneth hides his side job from the DiMeos.