Pairing/Characters: Sam/Castiel, Dean, Crowley
Word count/Medium: 4400
Warnings: non-explicit sex, minor injury
Summary: When Dean goes missing in between cases, Castiel and Sam work with Crowley to find out what happened.
A/N: I went with your prompts of Sam/Cas, Crowley, and lost/kidnapped Dean. I hope you like it dear!