A story about two brothers from a simple family living in an impoverished area and are striving to make life a little better for them. The elder is a popular fist-fighter in their community and the younger is a vendor who dreams of becoming a singer.
Although suspected and hunted down by policeman Sherlock Coco and inspector Hector, the Pieds Nickelés (Croquignol, Filochard and Ribouldingue) manage to save the legacy of Monsieur Miradoux, who will be very grateful to them.
