The Dawn Of The Apocalypse

What happens when teenager Dawn and her younger brother Dusk try to find away to survive the zombie apocalypse? When she finds a handsome but annoying teen, what would become of them?
Will he be her hope or her downfall?
(picture not mine taken from: http://www.searchingforthehappiness.com/staying-true-to-yourself-when-confronted-by-a-toxic-personality/ )