In a mansion on the outskirts of Gloomsville lives Ruby Gloom. Some kids might be afraid of the dark, the eccentric neighbors and the unknown things that dwell in the closet, but Ruby is different. She befriends these strange and sometimes scary creatures. In fact, Ruby finds them all delightful. She pays no attention to their unusual appearances, perceptive only to their hearts and souls. Ruby's perfect day is a gloomy one, full of creativity and adventure with her offbeat circle of friends.