[Fic] playing by the rules

Fandom: Castle
Pairing: Esposito/Ryan
Rating: PG-13
Warnings: Major character death.
Word count: c.900
Disclaimer: Characters are not mine.
A/N: For my angst bingo prompt 'worst case scenario'
( Kevin never imagined he’d be standing against Beckett like this, but he knows that if he would do it for anyone, it would be Javier. )