Peggy Dunne

Owen organises a baseball game against Seattle Presbyterian; Lexie is unable to control her emotions when she sees Mark with a new woman; Alex fights for Zola; Richard talks to Meredith and Bailey about their feud.

The team investigates a string of ritualistic murders that could be linked to the Salem witch trials. Meanwhile, Garcia prepares a celebration for the Day of the Dead.

The team investigate the murder of a Navy lieutenant when a body is found in a local cemetery's unearthed casket; Gibbs and McGee require psychiatric evaluations to return to work.

The son of a once wealthy family is found dead in Central Park. As Castle and Beckett are working on the investigation, his friends are trying to stop them.

Doug breaks their bed, so he and Carrie borrow twin beds while waiting for a new bed to be delivered. They quickly discover that having their own space at night gives their marriage a much-needed boost.

May receives devastating news; Jamie and Hugo reconnect; Palek has a revelation that shocks Carolyn; Dave and Katie make a breakthrough in their relationship.