The mother of Louis, Philippe and Henri Delcroix has been taken to hospital. She is in alarming condition and might well die. The possible coming of death into their comfortable lives suddenly challenges the three brothers. Are they really taking advantage of their lives? Philippe wanted to be an architect and is only a tourist guide ; moreover, although married to Nathalie their sex life lacks spice. As for Henri, he is married to Patoche, a frigid policewoman, and does not live life to the full. And couldn't Louis, the oldest and apparently the wisest of the tribe, hide something behind his blatant family and professional success...?