My views Plot Three years prior to the events of the film, mysterious apex predators called Reapers emerged from sinkholes underground and exterminated most of humanity. Survivors live in pocketed communities 8,000 feet or more above sea level - elevations that the creatures do not venture into. One of the pocket communities is Lost Gulch Refuge in Front Range , Colorado , where a single father, Will, lives with his son, Hunter, who has a lung disease . Will is haunted by the death of his wife, Tara, who was killed by Reapers during an expedition with Nina, a former scientist, to find their weaknesses. Hunter becomes irritated after months of isolation; neighboring communities have turned off their radios to conserve their remaining electricity and use flags to communicate instead. Will learns that he is running out of oxygen filters for Hunter. Nina tries to dissuade Will from journeying to Boulder, Colorado in order to find more filters...