After the death of the world's last cow, a young couple finds themselves on a hunt for butter through the labyrinth of their apartment building. When they finally reach the basement, a dangerous game for life and butter awaits them.
Children are left at grandma's house without their smartphones. Real life seems rather boring until they find instructions for the Kratt - a magical creature who will do whatever its master says. All they have to do now, is to buy a soul from the devil.