Based on the context and the answer, generate a question. 

Context: She alerts me and TIm of this and we all freak out . Naturally , we start wondering if there 's a ghost in the apartment . Deciding we 're all too exhausted , we all go to bed and I spent the next hour anxious about the energy of the apartment . At 10AM the door bell rings .

Answer:

No one is at the door like it 's a ghost .



What may happen after the door bell rings ?