The Short Pitch: Post-apocalyptic Game of Thrones
After a period of cataclysmic natural disasters, man-made contamination, and extreme weather events, the remnants of humanity are scattered. Some fled to the mountains, or sought refuge beneath the earth. Others won passage into orbit, or took to the seas to escape the blighted land. Generations have passed, leaving these disparate societies to develop their own cultures, motivations, and intrigue, but when a mysterious message is received in all corners of the globe, the surviving factions are forced into confrontation.