The action of "Hanna D.-La Ragazza del Vondel Park" by Rino DiSilvestro takes place in various seedy areas of Amsterdam.20-year old Ann Gisel Glass plays a young woman who visits her alcoholic mother(Karen Schubert who would later star in porn films to support her own drug addiction)and begins to delve into the world of prostitution and heroin addiction.The film mixes delicious sleaze with drama as Hanna D. meets many drug addicts and goes berserk from goes drug withdrawal symptoms.There is plenty of sex and full-frontal nudity in "Hanna D." and some nasty drug usage,but if you want realistic Italian drugsploitation flick watch "Amore Tossico"(1983)first.7 anal drug vials out of 10.