tomorrows book

Nobody knew why human migrated to Star island, but the whole people had lived for 180 years, there was no wars, no class struggle, no hungry until the zombie was created by a scientist. A thousand people had to flee to a small island called month island 10 years ago. After 10 years, a pair of cousins enter the evil island. When they are almost killed by zombies, a lot of people with gloves appears and rescues them. who are they? Where are they from? What will happen next？ Outline is writing.