João da Silva Brown, a resident of Salvador, has always been a fan of comics, movies and adventure series and superheroes. Once he learns about a course for detectives and decides to attend it. With his private detective degree, he sets up an office and places an ad in the newspaper. Now wearing a cape and hat, he waits in vain for customers.
Wanted for killing his boss, Manuel flees with his wife Rosa to the sertão, the barren landscape of Northern Brazil. Thrust into a primordial violent region, Manuel and Rosa come under the influence and control of a series of frightening figures.