A vital component of any romantic storyline involves some kind of spark between the main characters, even if it's unusual. Unfortunately, that’s precisely what’s lacking in director Bing Liu’s first narrative feature film, which is adapted from a novel by Atticus Lish. The story unfolds as a narrated letter/journal entry addressed to her deceased father, and follows the improbable love story of Aishe (Sebiye Behtiyar…