An old Montmartre building with countless tenants: on the seventh floor, a Russian painter, Igor, lives in his art and dreams, whose paintings express kindness and indulgence; two floors below, a poor cabaret singer, Seraphita, poses for her neighbor when she feels too lonely and abandoned; further down, the Prunelle family lives, where the father and mother, inveterate drunks, indulge in drink and give their eleven-year-old son. Tique, who seems to have become indifferent, the spectacle of atrocious domestic scenes. By the time the film begins, Father Prunelle, drunker than ever, has chased Tique's mother away with insults...