As Eric moves out of their apartment and into one across the courtyard, Alex plants herself up in Joey’s room with a pair of binoculars as Eric invites another woman…

Mac and Stella work on the case of a female roller derby player. Danny and Hawkes look into the murder of one of New York’s upcoming crop of writers.

When a lothario is killed, Castle and Beckett suspect that the victim’s mysterious double life holds the key to his murder. Their investigation leads to a shocking twist that threatens…

A pregnancy scare has Charlie heading to the doctor for a vasectomy.