Life is tough. It gets a lot tougher when death isn't the end... Just back from a deployment to Iraq, Senior Airman Amy Frays is trying to put her life back together when her Air Force Reserve section is called up to help quell rioting in south Boston. However, by the time the unit arrives the mission has changed: Quarantine. Undermanned and ill prepared, the quarantine starts to fail almost immediately and Frays finds herself in charge of a mixed bag of civilians and military personnel as they try to find their way out of a city being overrun by the dead...