A fatal ill man tries to secure the future of his family in a world where the toxicity of the sun forces people to stay inside during the daytime. In the near future, the sun has become so toxic people can no longer leave their houses in daytime, and normal life is conducted mostly inside the virtual realm. Against this dystopian backdrop, a dying man seeks to ensure the future well-being of his family, while coping with what it means to be human in this new reality.