A group of three youtubers who call themselves experts in supernatural beings decide to win public recognition once and for all. For this they plot a plan to capture a being known to all. It is the spirit of a light-haired woman who died in an unknown way and who haunts the bathrooms of schools across the country: the blonde in the bathroom.

Between 1864 and 1870, South America was the scene of the biggest and bloodiest armed conflict of the century, known as the "Paraguay War," or "Big War," for Paraguayans. Mixing reality and fiction, the documentary discusses this "draft" of World War I, which involved Brazil, Argentina, Uruguay and Paraguay, decimating around one million people.