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World famous mystery writer Richard Castle finds unexpected inspiration when Detective Kate Beckett questions him about a series of murders that based on his books.
The murder of a fashion icon's assistant brings to light unexpected obstacles for Rick and Kate's wedding on Castle.
The investigation into a pop star's murder uncovers her hard partying lifestyle but it's another unexpected revelation shocks everyone on Castle.
Castle is stunned when the murder of a former hacker leads directly back to his father, Jackson Hunt.
As serial arsonist's fire traps Ryan and Esposito, Jenny may end up giving birth alone on Castle.
When a dying man stumbles into a church before dying and hands a priest a baby, Castle and Beckett end up as unlikely nannies during their investigation into the man's death on Castle.
Castle and Beckett suspect a killer may be targeting members of the 12th precinct when a murder victim bears a shocking resemblance to Dr. Lanie Parish on the latest Castle.
On Castle, the detectives lives are on the line when a murder victim turns out to be a relationship therapist to powerful clients who are willing to kill to keep their secrets.
On Castle, a woman accused of murder takes hostages and insists she'll only speak with one person. Rick Castle.
The murder of a former teen star from a '90s high school sitcom takes a strange turn when Beckett and McCord arrive at the 12th to take over the case and find a new detective at Beckett's desk on Castle.
With Castle's life on the line and a stolen toxin threatening thousands of people, Beckett and McCord scramble to stop a terrorist attack and save Rick's life on Castle.