After Anna kills Renée Rienne while she is on a mission with APO, a chip bearing Michael Vaughn's real name (André Michaux) is discovered implanted in her body. The chip bears what appears to be a corrupted code. Sydney heads to Nepal to meet with Vaughn but is intercepted by an agent of Prophet Five while Anna keeps Sydney's rendezvous with Vaughn. Anna and Vaughn discover that Vaughn has the other half of the code on a chip implanted in his body and after deciphering the code he and Anna head to Germany. They discover a bunker containing all of Vaughn's father's research on Prophet Five. Vaughn reveals that he knows Anna is not Sydney and they fight. Anna gains the upper hand until Sydney shoots her in the head, killing her. Sydney goes undercover as Anna to infiltrate Prophet Five and meets up with Peyton.