Bonds of Change (Star Trek 2009/RPF Xover)

Trek XI/Adam Lambert/Kris Allen xover - When Kirk is kidnapped by xenophobic separatists from the planet Sonara, his whole world is thrown into chaos. By messing with his DNA they cause his relationship with Spock to completely change, bringing into question the two officers' roles as Captain and First Officer. Their only hopes are Attaché Allen and Protector Lambert, a couple from Sonara in a similar relationship to their own.