Welcome to the worst place you could ever imagine, which happens to be absolutely perfect for the creatures who live there. Rotten Island is a gloomy, miserable, and delightfully awful rocky land surrounded by a boiling hot sea. It is packed full of nasty monsters who spend all their time fighting, squawking, and being as terrible as possible. They love their hideous home exactly the way it is. But one day, something truly horrifying happens to their perfectly dreadful paradise. A small, delicate, and beautiful flower sprouts up from the rocky ground. The monsters are absolutely disgusted by this lovely plant. They panic because this bright burst of color threatens to ruin their completely rotten existence forever. Watch the hilarious chaos unfold as these grumpy creatures try to figure out how to deal with the terrifying beauty blooming right in their own backyard.