Grosz was drafted into the German army in 1914, after the outbreak of the First World War. His experiences in the trenches deepened his intense loathing for German society. Discharged from the army for medical reasons, he produced savagely satirical paintings and drawings that ‘expressed my despair, hate and disillusionment’. This work shows dogs roaming past the abandoned bodies of suicides in red nocturnal streets. The inclusion of an aged client visiting a prostitute reflects the pervasive moral corruption in Berlin during the war years.