Erin Way

Jane and the FBI investigate the murder of a high-tech cartographer who may have unearthed a spy ring before his death. Meanwhile, Rigsby and Van Pelt find themselves on the trail of an alarming conspiracy. NAVID NEGAHBAN (Homeland) guest stars as Hassan Zarif, a man with information about the cartographer’s death.

Meredith struggles to balance her roles as a surgeon and a mother when she returns to work; Stephanie tries to impress Jackson's mother; Jo becomes overly involved with a patient.

Leanne worries about losing Jesse after he has a massive heart attack; Mario searches the city for a patient's son -- defying Neal's directive.

As Beckett and Castle investigate a murder at a sci-fi convention, they encounter avid fans in costume, egotistical celebrities and a lot of drama.

Recent events put a member of the team in jeopardy.