TC and Topher rush to the scene of a concert where a fireworks explosion has caused massive chaos. As the two jump in to manage the mess, a second explosion causes problems for one of their own. Syd returns from Afghanistan and helps out at the hospital, but finds herself grappling with what the best plans are for herself and her young daughter. Drew tries to help her, but runs afoul of their unique family dynamic. Paul and Shannon must put aside their differences to treat a patient and find out that they have more in common than they thought. Meanwhile, Jordan and Scott treat a patient injured in the fireworks explosion and have a chance to address some simmering differences.moreless
The killer: dance studio owner Sophia Balfour; the victim: drug dealer Dustin McEvers
McEvers is found shot to death in the basement of Miles and Sophia Balfour. Miles tells police that the victim was a home invader and that he shot him in self-defense.
Time is running out as Castle and Beckett race to find "Linchpin" in order to prevent an event that could plunge the country into war. (Part 2 of 2)
An international conspiracy plays into the case of a killer being pursued by Castle and Beckett. A sexy CIA operative with ties to Castle joins in on the case. (Part 1 of 2)moreless
Zoe has the Lightman Group look into a college athlete accused of rape. Meanwhile, Foster and Loker head to a religious compound in order to determine whether or not it is actually a cult.moreless
A woman with multiple personalities comes to Lightman for help. The Lightman Group has to figure out if she's either the killer or the witness to a murder. Meanwhile the Lightman Group is also hired to question a candidate to the Supreme Court.moreless