When a mysterious force called "Sequence" arrives, the world is reduced to ruins and monster "aberrants" run rampant. Chu Tianxing, an ordinary college student, awakened his seemingly useless analytical skills and struggled to survive. In a forgotten underground shelter, he met Lin Wan, a powerful combat order apostle, and the two lonely souls were forced to join forces. In order to survive and to explore the truth behind the doomsday, they embarked on a dangerous journey to find the "high-order sequence", step by step uncovering the ultimate secret of this collapsing world.
