Castle and Beckett investigate the mysterious death of an Arctic explorer during a polar expedition; Castle soon grows frustrated when realizing that the elusive killer might just be fooling them all.
The BAU is called to Dallas to investigate when a serial killer lures and kills high-powered executives by posing as a high-class call girl.
Susan receives some surprising news while she's away on a romantic weekend with Ian, Lynette continues to try and support the family while Tom chases his dreams, and Bree finds her family is anything but perfect.
Eddie tries to befriend the only other Chinese kid in school, but he’s in for a letdown after he finds out that they have nothing in common; Louis feels betrayed when Mitch accepts a job at the rival Golden Saddle.
Major Owen Hunt returns to be the head of ER trauma; Meredith finds an old doll her mother gave her when she was 5.
