In 2126, brain-computer interfaces will cover 4.7 Billion people around the world.
Lu Ming received a message from an abandoned satellite: "On April 18, unplug it."
He did so.
The next day, 4.7 Billion people turned into beasts.
And a woman who called herself "Zero" found him and handed him a red potion...
"Seven colors," she said, "red, orange, yellow, green, cyan, indigo, and violet."
"Take them and you will survive this apocalypse."
