Laura Wiggins

While a hurricane rages in Southern Florida, Walter helps Isabel find a missing high school girl from Ends of the Earth; the weather forces Willa's probation officer to hole up at the bar.

A hiker leads intelligence to a young woman being held captive in the woods near Chicago; a former relationship of Halstead's comes back into the picture, much to the surprise of Lindsay.

Pete's brother (Kyle Secor) brings their mother (Louise Fletcher) in for a consultation; Violet catches Sheldon asking her archenemy for a date; Cooper treats a young music prodigy who has a brain tumor.