Kassi's friend takes her to a farm, up in the hills of Northern California, but when all hell breaks loose, she will be put through a gauntlet of terror, and fight to make it off the mountain alive.

When a futuristic train journey turns chaotic due to a tech genius's malevolent hacking of brain-implanted passengers, a group of disparate travelers must band together to regain control, confronting not only immediate dangers but also the darker implications of unchecked technology.