Are You Afraid of the Dark? S07 E10 The Tale of the Last Dance

"Submitted for the approval of the Midnight Society, I call this story..."

Tara plays the violin beautifully. So beautifully, that someone has fallen in love with her. But this person lives in underground caves and isn't a normal human being. He wants Tara to be his, and his alone, and will stop at nothing to have her.