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Today's Sundance "trailer of the day" will leave you with more questions than answers.

"The Royal Road" is the latest from Jenni Olsen, who is not only a filmmaker but a leading expert on LGBT cinema.

Here's how Olsen, on her film's website, describes "The Royal Road": "A cinematic essay in defense of remembering, 'The Royal Road' offers up a primer on the Spanish colonization of California and the Mexican American War alongside intimate reflections on nostalgia, the pursuit of unavailable women, butch identity and Alfred Hitchcock's 'Vertigo' — all against a contemplative backdrop of 16mm urban California landscapes, and featuring a voiceover cameo by Tony Kushner."

What that has to do with the static image of a street, a brick wall and a tree — which is all the teaser trailer shows — is up to the imagination.

It's not Olsen's first time at Sundance. Her debut film, "The Joy of Life," played at the 2005 Sundance Film Festival. That film, a look at the Golden Gate Bridge and why some people jump off of it, helped restart debate over installing a suicide barrier on the Bay Area landmark.

"The Royal Road" will screen in the New Frontier section of the 2015 Sundance Film Festival.