In 2029, after a meteorite collision, South Korea has lost more than half of its functionality as a nation. As a result of the collision, some people gain special powers. One of them, Ahn Yoo-won, is affiliated with a resource company called Hope Energy, where he is tasked with extracting a special substance known as 'Cosmo Shard' from the meteorite. Clinging to a hollow hope and living day by day, Yoo-won is visited by a woman named Seo Ji-goo, who is dispatched from headquarters with the bizarre title of Employee Happiness Welfare Support Team Leader, and Yoo-won unexpectedly begins to live together with her...