“Can the Earth that's been devastated by the sudden appearance of monsters, find peace once again?"<br><br>One day, an unknown virus spreads, and mutants appear all over the nation, attacking people.<br>Yeo Hwarang, who had been living a peaceful life until that day, loses his mother to a mutant. The shock of that loss causes him to awaken as a mutant himself...<br><br>After becoming a mutant, he decides to live to punish the mutants who killed his mother.<br><br>However…<br>The mutants, who were thought to be unintelligent monsters, begin to show wicked intentions of wanting to dominate over the humans…<br>Will Yeo Hwarang be able to stop the mutants and restore the peace for humankind?