“Lost” exec producers Adam Horowitz and Edward Kitsis have sold their hourlong drama script “Once Upon a Time” to ABC. AdamHorowitz

Pilot, from ABC Studios, is a mix of sci-fi and fantasy with a strong mystery element. Premise is a modern-day take on fairy tales, with a female protagonist who comes from a unique background. Show takes place in a small Maine town during the present time.

Despite the fairy tale premise, show will have a strong human emotional center. Similar to “Lost,” there will be a large ensemble.

“Lost” exec producer Damon Lindelof will consult.

EddyKitsisNew Horowitz and Kitsis had the idea for the show seven years ago, prior to coming aboard “Lost.” The pair, who are longtime writing partners, didn’t approach ABC with the pitch until “Lost” finished its run in May.

Besides exec producing and writing “Lost,” Horowitz and Kitsis wrote the upcoming pic “Tron: Legacy” as well as the “Tron” sequel. They’re also penning “Ouija,” the Universal pic based on the Hasbro property.

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