Under the Rose — Diana Peterfreund

Amy Haskel made it into elite Eli University. Then she made it into the ultraselective Order of Rose & Grave. Now a senior, Amy is looking her future squarely in the eye--until someone starts selling society secrets. When a series of bizarre messages suggests conspiracy within the ranks and a female knight mysteriously disappears, no member of Rose & Grave is safe...or above suspicion.

On her side, Amy has a few loyal Diggirls--her fellow female Rose & Grave knights. Against her? Certainly it's a group of Rose & Grave's uberpowerful patriarchs who want their old boys' club back. As new developments in her love life threaten to implode, and the case of the vanished Diggirl gets weirder by the moment, Amy will need to use every society trick she's ever learned in order to set things right. Even if it means turning to old adversaries for help--or discovering that the real foes are closer than she'd thought....