Volcanoes erupt around the globe. Cities are leveled. No one is left untouched.

Ronald Ash and his small Texas town experience the effects firsthand when an enormous dam breaks and wipes away everything in its path, including Ron's wife.

Nan Thompson is already at her lowest point in life when the wave destroys all that she owns.

As suffocating ash falls and temperatures plummet, strangers must band together quickly if they hope to survive another day.

But as supplies dwindle, something more threatening looms ahead. The lawless have taken over and they want what the survivors have.

If you're a fan of The Day After Tomorrow, The Postman or Snowpiercer, then you'll love this explosive action-thriller about survival and hope when all looks hopeless, from USA Today Bestseller, ML Banner.

Rated PG-13 for violence.