What would you do if you find out you have a son and then learn that your son tragically passed away? That’s the question at the center of “Longing,” a new family drama. READ MORE: Summer Movie Preview: 50 Must-See Films To Watch As seen in the trailer, “Longing” tells the story of a man who discovers that he has a son. Unfortunately, the news of his son is quickly followed by news that his son passed away.