After a catastrophic crash on an unknown planet, pilot Mills quickly discovers he's actually stranded on Earth…65 million years ago. Now, with only one chance at rescue, Mills and the only other survivor, Koa, must make their way across an unknown terrain riddled with dangerous prehistoric creatures in an epic fight to survive.

Following the events at home, the Abbott family now face the terrors of the outside world. Forced to venture into the unknown, they realize that the creatures that hunt by sound are not the only threats that lurk beyond the sand path.

A family is forced to live in silence while hiding from creatures that hunt by sound.