Two Worlds

Keia and Abby never get along. They're identical twins... what do you expect? They fight about everything. Clothes, food, even where they sit at the dinner table. The only thing that they can agree on is Minecraft.
One day, when the sisters are playing, they come across a player. He's not anybody that they know, but he gives them a warning. There's darkness spreading across the world of Minecraft, and no one knows how long it will take to reach the human world...