-In Quebec City (Canada), where his private agency is located, Isidore Jobidon guides his two employees with an iron fist, detectives who are very dissimilar but who could not be more efficient. One of them, Émile Rondeau, is a good-natured and lymphatic person. The other, Stanislas Léveillée, is nervous and impetuous. The series recounts their tragicomic adventures as the investigations unfold.