I recently came across this little gem. It works.

Search and Rescue (13897 words) by JaneDavitt
Fandom: Hawaii Five-0 (2010), The Sentinel
Rating: Mature
Warning: No Archive Warnings Apply
Relationships: Steve McGarrett/Danny "Danno" Williams, Jim Ellison/Blair Sandburg
Characters: Steve McGarrett, Danny "Danno" Williams, Jim Ellison, Blair Sandburg
Summary:

Danny discovers that there's more to Steve than meets the eye.