Jane and Maura investigate after the coach of the Boston Pilgrims baseball team is found dead in the locker room. The death comes as the team owners and a star player battle for control of the team. Meanwhile, Jane's brother Tommy (recurring guest star COLIN EGGLESFIELD - Something Borrowed, Melrose Place) returns home after being released from jail.
When the daughter of a police officer is kidnapped in front of her younger brother, Jane and the team race to find the girl, fearing her abduction is connected to another case in which a young girl turned up dead only hours earlier. ANNIE WERSCHING (24) guest stars.
When the body of a marine is found after a party in an illegal night club, the team investigates a number of possible leads - including blackmail and accidental death.
A power play ensues between Jack and "The Others" as Juliet's future hangs in the balance. Meanwhile, Kate, Sawyer and Karl continue on their journey away from "Alcatraz."
When a web celebrity is murdered, Castle and Beckett explore the flashy world of internet fame. But when the killer posts pictures from the crime scene on a photo-sharing site, they realize they are up against a social media sociopath who may strike again.