In the aftermath of a near fatal car accident, four people returning from a funeral realize nothing will ever be the same when they look to the sky and see a mysterious alien ship hovering over their home city.
The group return home and, amid news-casts warning them to stay put, struggle to decide what they should do next. As they attempt to track down a missing family member, a horrible realization about her whereabouts comes to light.
Steven heads into the city alone to try and track down his missing step-sister, but matters are complicated when it appears the people she is with may not be willing to let her go without a fight.
Dan, Chloe and Nicole head to the local supermarket to try and get supplies, only to find it has been overrun with looters. The group must fight for their survival when a confrontation inside turns violent.
Steven and Katie reach the local church in their efforts to find Sarah. As the priest inside encourages them to stay with the rest of his congregation, Steven battles with how best to protect his family.
Dan and Chloe take shelter in her parents home. As they try to cope in the aftermath of events at the supermarket, things turn deadly and it is clear they're not out of danger just yet.