Willy Vander Brook, a world with Franco-Belgian roots, travels to Paris for an interview. He is welcomed by his childhood friend Serge, an ex pub operator, and his roommate Frank, a fierce supporter of the Walloon independence. When Willy discovers that his candidacy is not accepted because he is Belgian, he and his compatriots decide to take revenge

Bo is a transexual prostitute in Brussels who left home after being abused by her father. She's infuatuated with a neighbor and suspected by the police in a series of transexual murders. In order to clear herself she must turn detective.