The story you already know, but it has changed! You can find all the seasons summarized on my tiktok: haertx
But I recommend not making you any spoilers and live the experience in the best way, you will not be disappointed
7 months after the small group left Gate City they realize that Texas isn't what they had hoped. They eventually leave everything behind to go on an adventure north across the US to get to Washington where they hope to be able to start new there and escape their past while keeping in touch with their friends back home. The world gets larger as they meet a larger militarized group on their journey. They will eventually learn if this journey was really worth all that they lost along the way.