The second part continues the events that occur in the first part, when the Abbot family consists of the mother Evelyn (played by Emily Blunt) and the three children fled to a seemingly safe city.However, the whole family did not expect that in the outside world was also acquired by alien creatures.These organisms are visible but have super sensitive hearing to hunt by the sound.The "silent land" has now become a "silent world" when the survivors continue to hide, not to make noise when moving or communicating with each other.But the more he stepped out of the world, the ABBOT family soon realized that the only threat not only came from aliens.The mysteries surrounding the landing of these species are gradually revealed.