Team Scorpion tries to recover stealth technology before it falls into enemy hands when a military plane is shot down in Bosnia. Meanwhile, Walter's sister takes a break from her MS treatment and spends time at the garage with Sylvester.moreless
GOB finds a new group of friends after his relationship falls apart and his family abandons him.
GOB accepts a job from Michael, but is distracted by a scheme of his own.
Buster struggles to make it on his own and break away from Lucille, his overbearing mother.
Emily tries to make sure Skip and Stacey's date goes well, Becca and DB paint a mural, and Dale and Xander play Risk.
President Gilchrist locates the father of Becca's baby and Skip tries to get Becca and him together. Meanwhile, the Austrian Chancellor visits.
The CSI team is called in to investigate a robbery-homicide at an "Alice In Wonderland" themed wedding. Hodges' mother Olivia arrives for a visit, and he wants her to believe he and Morgan are a couple.
Castle and Beckett investigate the murder of a woman found frozen and tangled in steel bars at a construction site. The case leads them to looking into an old case and also has Beckett thinking about some memories from her past.moreless