Mac Ahlberg - 3 slags kærlighed AKA I, a woman 3 (1970)

Summary :
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This X rated feature finds a young and sexually inexperienced woman
arriving home from boarding school to find her mother having sex
with a man. Traumatized, she flees the scene and ends up in a
hippie coffee house. She smokes hashish, engages in lesbianism and
has sex with a black American medical student. Exotic dancers,
Hell’s Angels and other colorful characters are included in the young girls sexual awakening.