Puzzling secrets: Part One

After Esme's confirmation, Luther cursed under his breath, and Vinnie shifted on his feet like he was getting ready for an attack. Esme stared at Gabriel, who had turned his back to them; she wanted to reach out and turn his face to hers so she could possibly read his expression. But she knew how easily his expressionless mask slipped into place, and she was starting to realise he did it so as not to show any weakness. 

Whoever this other vampire was, they made this small group of incredibly powerful men become unsettled. 

"It looks like we will be making a little trip to the Silver Crescent pack," Gabriel drawled and turned back to look at his right-hand man. 

EH?