Your heroine has a tree in her yard that guides her, predicts the future, and helps her with her life.
It’s a family tree that’s belonged to them for centuries.
It has to receive an annual sacrifice to continue to work.
It’s that time of year and your heroine has to find a partner for the ritual.
Who does she find? What is the ritual and what must be sacrificed?
You can also get more spooky Halloween themed story starters
101 Halloween Story Starters, Romance Writing Prompts to Spark Your Imagination at Amazon
And if you want a print/pdf version of it, you can grab it here 101 Halloween Story Starters PDF Version