Earth, 2035. The world was suffering from a severe climate crisis due to global warming and environmental pollution. The planet was growing hotter by the day.

Nations continued to destroy the environment for their own gain. Despite warnings from scientists and experts, governments did not stop their destructive actions.

And that became the catalyst for a great disaster.

In 2035, NASA officially announced the collapse of Earth's temperature system. This news spread through global media outlets.

Temperatures began to plummet across the globe.

And an endless winter began.

The Great Ice Age that started in 2035 collapsed agriculture. As global energy and resource systems vanished, the majority of the population perished. Governments lost control and began to collapse.

Major powers realized the severity too late and failed to implement effective countermeasures. Some governments declared martial law, and most were eventually taken over by the military.

Several years later, in 2040, Gangnam, South Korea.