The Blue Butterfly
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.
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Airs
Mon, Feb 6, 2012
44 min
Show
Castle
173 episodes
Episode
S4 · E14
in Castle
Up next
S4 · E15
Pandora (1)
Mon, Feb 13, 2012