Castle/Beckett/Barney. While investigating a murder at a local New York bar, Castle finds a challenger in an unusual character. Includes refs to: HIMYM, Dr. Horrible, and the Guild. Don't need to know HIMYM to understand it.
Rated: K+ - English - Humor/Romance - Chapters: 1 - Words: 2,840 - Reviews: 21 - Favs: 25 - Follows: 11 - Published: 8/9/2009 - [Barney S., Rick C., Kate B.] - Complete