A chronic insomniac wanders into a late night diner where he meets a peculiar woman who promises to help him sleep.

Joseph continues to see Alíz, enjoying spending time with her, although his friends and classmates start to worry about him as his health seems to get worse. Emily asks Joseph if something is wrong and Joseph starts wondering about the mysterious woman he's been seeing.

The more time Joseph spends with Alíz, the more he can't stand being without her and some of his classmates have started to get worried about Joseph's health. After a few days of no contact, Joseph starts to wonder if Alíz has been avoiding him.

Driven to discover the truth by curious classmates, Joseph is frightened to discover the woman he's been seeing for a few days has turned out to be a vampire! A very angry one now that Joseph has used the sun to burn her. Will Joseph be allowed to leave with his blood?

Having saved Joseph from a group of hungry and vengeful vampires, Joseph will soon find out why Alíz stepped in when she did.