In 3817, the earth entered an ice age, everything was frozen, and all living things on the earth were buried under ice and snow. In the universe, another refracted world of the earth - the fifth parallel world, as a microcosm of the earth in the universe, has started a plan to restart the life of the earth. Cloud City, the main city of the parallel world, is where the research headquarters is located. The youngest research Ph. D., The dean of the research base branch, and the most mysterious research professor at the research headquarters, the two joined hands to start a romantic journey of their own.
Purpose: companionship, redemption