Once in a Red Moon

Jake and Sam are best friends and they're both from Vampire- hunter families. One day, when they come home after playing in the woods, they find their families murdered. Jake gets attacked by the vampire that murdered them and triggers tremendous changes in his body and personality. Thus, they begin their lives as Vampire hunters. What happens when Sam encounters a Vampire that's different from the rest? Will she help Jake, the only one she has left, get revenge for their families or will the entrance of this Vampire change her life forever?
Read to find out! R&R
This is my first vampire story so I'm sorry if the plot seems too stereotypical.