When they heard the first tap, they rushed to their porch door to see what was going on. But when they opened it, they were met by nothing but they dark yard. A month went by and they heard the taps every single night. Months turned into yeard and before they knew it, Jeremy was already in the fifth grade, Kelly was in the final stages of her Ph.D and Brad was a manager at his company. But despite all these changed, one thing remained the same.