ABC soap opera that blends intrigue, drama and some humor that follows the adventures of Richard Castle (Nathan Fillion), a writer of mystery novels whose inspiration comes to following the consultation period the police department of New York, city where the action takes place. But when a serial murderer starts playing the murders Rick writes in his novels, Castle will have no choice but to help the police department in New York, which is attractive and brilliant detective Kate Beckett (Stana Katic) to try to catch the murderer. Castle In life there are other women like her mother Martha Rodgers (Susan Sullivan), a former Broadway diva, his ex-wife and her teenage daughter and Sabiondo Alexis (Molly Quinn).