When an 18-year-old girl escapes from a suburban home where she was held captive for years with two other women, the BAU searches for the Unsub who kidnapped them.
Walden tries to loosen up Zoey by sharing a couple of Berta's "special" brownies. MATTHEW MARSDEN guest stars as Zoey's ex-husband, Nigel.
Following his break-up with Zoey, Walden has a breakdown.
Walden breaks the news to Zoey that he is going into business with his ex-wife. Meanwhile, Alan and Lyndsey try to come to terms with their moms' new relationship.
Walden's commitment is tested when Zoey and her daughter come to live with him – for a trial run. Meanwhile, Alan gets more than he bargained for when he moves in with Lyndsey.
