Knock at Midnight

Every night at midnight, Katherine Vance hears the knock. Every night, she opens the door to an empty porch. Every night, fresh white roses wait on the step with a business card bearing the name of her dead boyfriend, Yosef Christy. He died in a car crash one year ago. The cameras see nothing. The private detective hired to help has vanished. Now Katherine has twenty-four hours to learn the truth: Yosef is not here to haunt her. He is here to take her with him.