After the whole North of the Equator freezes below zero, a group of people in Los Angeles risk their lives while trying to "escape" from the city's hostile conditions, in order to take a ship to a hotter place on Earth.
Major real-life air disasters are depicted in this series. Each episode features a detailed dramatized reconstruction of the incident based on cockpit voice recorders and air traffic control transcripts, as well as eyewitnesses recounts and interviews with aviation experts.