Numb3rs Fanfic Finders

Hi! I've been driven mad with this fic. I think it was a Don/Charlie fic. The only thing I remember is that Don was chasing a suspect and they ended in a gay club where Don finds Charlie with an OMC. I think David was also there. 
Then there was a little angst because Don is hurt that Charlie didn't trust in telling him about being gay and have had to found it that way. And i think he was also jealous of that guy with Charlie. Thanks in advantage.