Detective Su Ming accidentally travels from his detective agency to another world, inheriting the body of Baron Kane, who has just been assassinated and killed. In this new world, Soo Ming must adapt to life as an aristocrat while dealing with threats and challenges from other aristocrats. With plots involving power struggles, threats of war and family strife, this is an adventurous and exciting crossover story that shows the protagonist's growth and struggles in a different world.

That day was the beginning of the annihilation of the whole world. That catastrophe swept through the entire human race. Whether you used to be a high-ranking official, or a mega-rich person, a celebrity, an elite, or a soldier, a policeman, a civil servant, or a civilian laborer, or an anthill, none of that mattered anymore. What matters is that even if you survive, it doesn't mean you can live. Of course, as long as you can survive, you are a legend. So, this is the eve of the annihilation of civilization. It's also the eve of the birth of a legend.