As Riley and Gabriel track an infamous hacker, they learn the suspect may have been set up and a sinister group may be planning a nuclear attack.

Frank, Ray and Ani weigh their options as Caspere’s killer and the scope of corruption is revealed.

The disappearance of a city manager disrupts a lucrative land scheme and ignites an investigation involving three police officers and a career criminal who is moving into legitimate business.

The repercussions from Caspar’s murder are felt by Frank and the Vinci Mayor’s office. Ray and Ani are involved in a close call with the killer.

After spending a wild night out with Cece and her model friends, Jess jumps in the driver’s seat when she must fill in for Cece at a car show. Meanwhile,…

A mysterious recurring dream drives Castle and Beckett to seek answers about the two-month period when he went missing. But their search for the truth has deadly consequences.

The parents visit the campus for Freshman Parents Weekend. Rusty tries to hide something from his parents but Casey wants him to come clean in an attempt to get their…