It began in 2006. Escalating tensions in the Middle East resulted in Iran dropping a nuclear weapon unto Israel. Into the Valley of Armageddon. This unearthed a hidden portal to hell from which a demon army rose to conquer the earth. Seeing that the time had come, alien overlords who had been watching over us as Angels initiate the Rapture protocol to save the human genetic code, randomly transporting a few million of us into their ships, to prepare for their final battle. The rest of us are left behind, to face the final apocalypse. Many die. Some survive.