简介：Ellen Carters career is on the rocks. She hasnt written a worthy novel since her husband went missing and she was suspected by the police of murdering him. To top it all off, she has reason to believe that her new tenant Leslie Steckler is the serial killer responsible for a number of deaths in the region. But what she doesnt know is that, in the meantime, Steckler has discovered a little secret about her...关键时刻，飞行嘉宾费启鸣开启学霸光环，运用曾经的质数知识成功找到规律过关。