Episode Description: Beware, spoilers! To read - hover over the text.
Castle and Beckett investigate the mysterious murder of a young woman found in a ritual pose. When the team finds a collection of strange symbols in her apartment, the Prime suspect is a mysterious monk. Castle confident that they stumbled on the plot in the style of "the da Vinci Code". Meanwhile, castle tries to come to terms with the fact that Alexis and PI are living together.