When the world fell into an unknown natural disaster and human civilization was on the verge of collapse, Lin Mo found that there was a string of numbers in his eyes that kept beating - it was a countdown to death suspended above everyone's head. In the ruins where order collapsed, he relied on his ability to predict death to form a camp of survivors, but gradually discovered that this apocalypse did not come naturally. When the countdown reaches zero, the truth and the choice of survival are faced at the same time.