Back in Time

"Now you must choose," The Starchild repeated, only giving her three options. But what if there were a fourth? What if The Crucible could be set to act as a time machine, sending Shepard back to a random time. Lucky for her, she wakes up on a Cerberus operating table. Given a second chance to redo the last year of her life, what will she change, and will she stop the Reapers?