Sarah Glass was born in Raleigh, North Carolina in 1987. She graduated from the University of North Carolina, Charlotte in 2009 with a degree in Nursing. She was able to get a job at a Federal prison outside Raleigh, North Carolina.
After the outbreak, Sarah attempted to flee the prison, but was captured, along with Dr. Connor by a group of prisoners. She has been forced to travel with these criminals and treat them ever since. The group eventually found there way to Hampstead, NC.