When You Think You Are Alone, Fate Has Other Ideas.
Z for Zachariah
1. Ann Burden has been alone for a year without anyone to accompany her.
2. Radiation has killed the rest of the world as far as she knows.
3. Ann's family never came back when they went to look for survivors.
4. Only two family members lived, Ann and Faro (her family's pet dog)
5. Dr Loomis came to the valley and got very sick after swimming in a radiated creek.