As Prior digs into the links between Tsalal and mining company Silver Sky, Navarro rescues Leah from a local protest that has turned violent. At a meeting with Silver Sky exec Kate McKitterick, Danvers is warned not to pursue the case any further.
Still in Atlanta, Larry finds himself stuck at a rental home with a questionable lawn ornament. Meanwhile, Jeff pays the price for taking Larry's advice for Susie's birthday gift.
Colter's handlers send him to Klamath Falls, Oregon, to investigate the disappearance of 14-year-old Gil Brown who is suspected to have been taken by his birth dad with a criminal background. While pursuing a lead at a local burger joint based on intel, Colter finds himself in some trouble of his own.
Spade gets more than he bargained for when he questions his eccentric neighbors, and learns more about the boy's mysterious abilities. Teresa continues her investigation alone. Jean-Pierre faces his past and confronts Philippe.
The Lyell are called to a museum outside King's Cross Station, where they discover the bodies of eight victims entombed below. With the knowledge that a prolific serial killer was operating in London nearly twenty years ago, Nikki and the team know this will be a case like no other.