After the catastrophic impact of Comet Clarke destroys much of human civilization, the Garrity family survives by taking refuge in a secure bunker in Greenland. However, their journey is far from over, as they soon realize that living underground cannot be a permanent solution. Forced to leave behind their temporary safety, they set out across the devastated landscapes of Europe in search of a new place to call home. Along the way, they encounter dangerous obstacles, limited resources, and the harsh realities of a world forever transformed by disaster. As they fight to survive, the family must rely on resilience, trust, and determination to build a future in an uncertain new world.