When a botched U.S. government experiment turns a group of death row inmates into highly infectious vampires, an orphan girl might be the only person able to stop the ensuing crisis.When a botched U.S. government experiment turns a group of death row inmates into highly infectious vampires, an orphan girl might be the only person able to stop the ensuing crisis.When a botched U.S. government experiment turns a group of death row inmates into highly infectious vampires, an orphan girl might be the only person able to stop the ensuing crisis.