Title: Den of Thieves
Air Date: April 19, 2010 at 12:00 AM PDT
While investigating the murder of a thief, Castle and Beckett learn that Esposito has a personal connection to the suspected killer. Another surprise is in line for Castle when Beckett hits it off with Tom Demming (Michael Trucco, in a recurring role), the handsome robbery detective assigned to the case. This odd threesome must work together to solve the crime.