This documentary covers the Russia-Ukraine war that has plagued humanity since the 21st century, the post-COVID-19 power struggle, and the war against the climate crisis. Three major challenges facing Homo sapiens on Earth in the new year 2023. What path should Korean society choose in the face of these challenges? After planning a global project for about a year and returning to the field, what solutions did JTBC's roving correspondent Son Suk-hee find after personally traveling to 11 countries and conducting interviews with 40 world-renowned opinion leaders?