The Blue Butterfly

Overview

When Castle and Beckett investigate the killing of a treasure hunter, they discover the case is linked to a mysterious homicide from 1947 involving a hard-boiled private detective. Castle realizes the only way to solve the present-day murder is to solve the murder from the past. The 1947 case comes to life through stylized flashbacks, featuring Castle as the private eye and Beckett as a femme fatale.

Episode Information

Guest Stars

Mark Pellegrino

Tom Dempsey / Tom Dempsey III

Chad Everett

Joe Flynn

Patrick Cassidy

Clyde Belasco

Ellen Geer

Vera Mulqueen

Sarah Lilly

Luella McManus

Darin Toonder

Frankie Huntsaker