The murder of a man named Luke leads the CSI team into the world of performance enhancement drugs; Lindsay is forced to revisit a hurtful past upon returning to Montana to witness the execution of Daniel Katums.moreless
A wealthy museum patron is a suspect when a valuable sculpture is stolen. Castle and Beckett investigate the theft with the help of an insurance investigator who sets her sights on Castle.
The captives survive a van crash and split up to complete their escape. Janet ends up in a hospital where the Program attempts to recover her. Meanwhile, Kat and Renbe return to San Francisco after learning that Janet has surfaced, but find the police on their trail.moreless
Piper and Leo, with help from Coop's ring, must travel back in time to change the events that lead to the deaths of Piper's sisters and the manor's destruction. Meanwhile, Billie uses her power of Projection to do the same thing and finally realizes the truth in what her sister has become; many familiar faces gather to help Piper in her time of need.moreless