Billy's fantastical mesmerising awesome planned out night! Part 2

When we left off, Billy was greeted with an unusual shadowy looking figure stand right beside him. The ninja looking figure took off the costume that looked just like Billy's mother and dashed off into the forest behind Billy's house, which was in the middle of the suburban area. The shadowy figure also managed to take a Billy's lightning fast without Billy noticing. Billy chased off after them and then came to a dead end and then looked sharply to his left to see a group of shadowy figures hauling a big bag of candy, but where were they going?