Daddy, I'm here, you're home!" Amy jumped off the couch after hearing the voice and ran towards the person who came. "You guys ......" I froze for a moment when the doctor saw Emma Richard, and then spoke seriously to Amy, "Didn't Daddy tell you not to open the door to strangers? " Amy seemed to sense his anger and just kept her head down and didn't say anything. "We ...... are not considered strangers, are we?" Emma Richard stood up and looked at the doctor, "Hello, I'm your former colleague, Emma Richard." "How did you find your way here?" The doctor put Amy down and let her play on...