Miss Geraldine Flower remains something of a mystery from beginning to end of this extraordinary experimental biopic.

And like that film, it is destined to find an eager cult audience for its psychedelic charms.

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Key to this is the soon-to-be-lost art of letter-writing.

Emilíana Torrini in ‘The Extraordinary Miss Flower’

Emilíana Torrini in ‘The Extraordinary Miss Flower’Distiller

This is quickly echoed by Torrini, who claims that discovering the letters kickstarted her frustratingly dormant imagination.

Letters open people up in ways that nothing else really does, she says, conspiratorially, to camera.

Of particular interest are the myriad references to spies and espionage: Are thesereallylove letters?

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Could they be richly coded messages?

Answers are not forthcoming, but the enigma of Miss Flower is never less than intoxicating.