Once her daughter gets addicted, the fight between Agent Sandra Shepherd and new drug, which is 100% addictive and causes vampirism, become personal, as the only way to save her is to give her drink from the creator's blood.

I like the amount of information it just seems like it should be shifted around a bit. Something like

"Agent Sandra Shepherd's fight with the new drug, 100% addictive and causing vampirism, becomes personal once her daughter becomes addicted. When the only cure is to drink from the creator's blood, will she be able to saveher?"