SEASON: 3
SYNOPSIS
Beckett, Castle and the team investigate when a juror in a murder trial dies in the courtroom during the closing arguments, apparently having been poisoned. As Ryan sifts through CCTV footage from the courthouse, Esposito goes to question the other members of the jury only to find that one of them has disappeared. Away from the case, Castle downloads an app that monitors Alexis's location. Nathan Fillion, Stana Katic and Molly Quinn star.