With the memory of his previous life, Yechen traveled to the world of Douluo Continent, and awakened the bipolar attributes representing extreme light and darkness. When he embarked on the road of becoming stronger with longing for the future, he unexpectedly discovered the meaning of time. Secret. In the end, he became the Judgment Douluo in charge of light and darkness. But at the end of the two extremes, and in the depths of his heart, is it light or darkness...