The initial plot is pure softcore porn contrivance–Lindberg’s friend is having a secret affair with her boyfriend and the two of them plot to turn the arrangement into an menage a trois with Lindberg. The boyfriend goes out of town and the friend convinces Lindberg to stay in an apartment with her where she picks up random guys in an effort to seduce Lindberg into three-way.
The plot takes a strange turn though when both girls fall under the spell of an alluring female toymaker who lives next door. The movie then turns into a bizarre, surrealist fantasy (apparently based on a Swedish folktale) and it really manages to lift itself well above the usual level of mind-numbing Swedish erotica.
This is one of those rare sex movies that have interest beyond the mere “weasel-milking” aspect. It is largely the movie that made Sarno’s reputation (he made only a couple other less interesting ones, then a lot of softcore and hardcore crap). It also confirms his reputation for finding beautiful Swedish women willing to romp around in the nude (besides Lindberg, Sarno also discovered Marie Lilljedahl and Maria Forse, and did much to advance the exploitation career of Swedish-American bra-buster Uschi Digardt).