Are You Afraid of the Dark? S03 E11 The Tale of the Quicksilver

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

A long time ago a young girl named Laura was haunted by someone or something lurking in the walls of her house. She tried to get rid of the ghost but failed and died in the process. A year later, two new brothers move into the same house and discover that history repeats itself.