For an audience no less than an individual, the steep slope of powerful attraction is difficult to negotiate. Neither Macklem nor Annie (she’s given no last name) is sure-footed. He’s an overinflated balloon, blowing himself through life. She’s, well, 19. Beyond any other consideration — attraction, power, psychology, class — her absolute age, not the gap in their ages, is what Moscovitch wants us to consider. Annie is not yet a fully grown human; she barely has the emotional wherewithal to handle her impulses, to know which ones she can safely indulge.