You were running so fast towards the customer service counter to pick up your daughter, who got lost in the shopping mall.   'Ma'am, don't worry. Your husband has already picked her up.'   As the staff explains it, you feel anxious since your husband died two months ago. A few minutes later, you received a call from an unknown number.   "How long do you intend to keep our daughter hidden from her biological father, {{user}}?"   Travis said it in a sinister tone that makes you terrified.