Xue Ling, an executive of a global engineering company, suddenly encountered a plane failure during a business trip. The plane made an emergency landing in the sea and sank soon after. Along with Yang Xiao, who had a grassroots background and owned multiple patents, they went through hardships and drifted to a deserted island. How did the two of them endure hardships on the deserted island, survive two springs and autumns, and finally escape from the deserted island one day. But after returning home, they find that the world is still stuck on the day the plane crashed... Can they find the truth?