Recap
When a robbery-homicide forces Beckett to invite Demming to assist on a case, Castle gets a first-hand view at their budding romance.
He and Demming don't agree on the next moves to make, which causes this investigation to devolve into an unspoken competition for Beckett's attention. Good luck with that, Kate!
Beckett: I almost died and all I could think about was you.
