When Axl, Sue and Brick accidentally break the family room window, they decide to blame the Glossner children — the bad seeds of the neighborhood; Frankie tries to land a prime dental rotation spot.

Peter and Neal get closer to finding out the mystery behind Ellen’s evidence box while simultaneously chiseling their way through the world of sculpture forgery.

In the powerful conclusion of a two-episode story arc, when the FBI fails to get his daughter back, Castle takes matters into his own hands, reaching out to a shadowy fixer to help him recover Alexis. But Castle soon learns that his daughter’s kidnapping may be part of an even more sinister agenda.

Barney’s legendary relationship playbook, which Robin thought was destroyed, rears its head when Ted and Jeanette break up and Barney decides to use his chick manual to help Ted find a new girlfriend.

Marty’s plan to spend time with Roscoe conflicts with an executive retreat, while Doug sees his fellow Pod members in a different light after introducing them to his new girlfriend. Later, Tamara offers an intriguing revelation about her personal life, piquing Marty’s interest.

Marty’s plan to spend time with Roscoe conflicts with an executive retreat, while Doug sees his fellow Pod members in a different light after introducing them to his new girlfriend. Later, Tamara offers an intriguing revelation about her personal life, piquing Marty’s interest.

Lucas’ cover is threatened when Carrie decides to give him over to Rabbit in an effort to protect herself and her family. A drug store robbery turns into a full-blown hostage crisis at the high school, with Deva and Mayor Kendall’s wife among those whose lives are imperiled.

Unforeseen developments force Martin to make a decision and form a deal; Lucy goes to the police with new information about Amelia’s kidnapping; Avram sees Guillermo in New York.

Harvey’s vision for the firm’s future clashes with Jessica’s when a British firm offers a tempting proposition.

Harvey’s vision for the firm’s future clashes with Jessica’s when a British firm offers a tempting proposition.