At the age of 10 years, young Rémi is snatched from his adoptive mother and entrusted to the signor Vitalis, a mysterious itinerant musician. Has its hard sides - he will learn the harsh life of acrobat and sing to win his bread. Accompanied by the faithful dog capi and of the small monkey Joli-Coeur, his long trip through France, made for meetings, friendships and mutual assistance, leads him to the secret of its origins.