In Antarctica, a plane crash brings together Wu Fuchun (Mark Chao), the boss of a wedding company, and Jing Ruyi (Yang Zishan), a high-altitude physicist. The two men and women, who have nothing in common, risk survival for 75 days in the uninhabited area of the heart of Antarctica. In the extremely cold, with no supplies and desperate situations everywhere, staying alive has become the biggest wish every day. In the process of searching for rescue, this pair of people with incompatible personalities but whose fates are closely connected, revere nature and realize love.