Interesting and entertaining 'mind game', dream-like, moody mystery, as a woman can't account for several lost days of her life, or why so many people at a resort she's never visited seem to know her.

She's also haunted by very odd black and white dreams where an astronaut is betrayed and left to die alone on the moon.

The film is slow in parts, and some of the big twists are easy to see coming, but it is beautifully photographed by Vittorio Storraro, and eschews the gratuitous violence and awkward sex of most of the Italian thrillers of the era.

This doesn't feel like its trapped by any formula or rules. And the acting is pretty good for a dubbed film.

Not in the class of films like 'Don't Look Now" or "Vertigo", but gets points for trying to be and doing so in a classy way. I'll be interested to see this again.