The Seven Ravens (Unabridged‪)‬

Jana and her father find themselves captives in a colony of warriors battling for survival after zombies have decimated the Earth. Jana is infected, but her father swears that he knows of a cure. Seven warriors set out to find the vaccine, but when they don't return, Jana finds herself left with only one choice.

The Seven Ravens is based upon the Grimm fairy tale by the same name.