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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.
When a woman confesses to murder, she tells the detectives details only the killer would know, but when someone else confesses with the same knowledge Castle and Beckett realize this case is more mysterious than they originally thought.
The murder of a high school mean girl brings Castle back to one of his many alma maters and face to face with a possible telekinetic killer on Castle.
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.