The Holy Grail for zealous film buffs, the long-awaited bookend for Citizen Kane, an attempt by a venerated veteran to make a New Hollywood film, a presumed career capstone thwarted by the director's own long-debated fear/difficulty of completion along with decades of squabbling over rights and ownership, at one point involving intimates of the Shah of Iran — these are just a few of the ways to describe The Other Side of the Wind, which has languished in limbo for 48 years as the final dramatic feature film by Orson Welles that, for myriad reasons, he was never able to finish.