[Spoiler Alert] Not good at all. I usually don't write reviews but this was just a complete let down. It doesn't really seem like they knew what direction they were trying to go in. This movie was like the purge meets zombie apocalypse but for parents.
It didn't really make sense for the siblings to fight so hard to stay alive considering the fact that no one ever really dies.
The friend from High school was killed twice and he survived both times. The parents never died either. Whatever was going on prevented anyone from truly dying. So there really wasn't a point in killing anyone.
The ending was the ultimate let down because well the story doesn't end there. There was a lot of unanswered questions. Like do the parents stay like that forever? Do they ever go back to a normal family? Or do the parents end up "killing" the kids after all etc..