For debirlfan
From kleenexcow/word_play_sam

Title: Greater Good
Fandom: Castle
Rating: PG-13 for blood
Author's Notes: Sorry! I wish I could have crossed Boston Legal or SGA over for you, but I am not familiar. Also, I decided to avoid any Castle/Beckett relationship spoilers and go super gen. But I hope you enjoy this! :)

( Greater Good )