Escaping Death Yet Again

Wrex was quick to search and recover Shepard. Now he works to keep her survival a secret as his people looked for the Normandy. There's just a few problems with that. 1. The alliance wants her and Hackett suspects she's alive. 2. The mass relays and most of the technology-based around them are no longer functioning. 3. Keeping her alive. Where's Vakarian when he needs him?