In My Father's Den (2004)

War journalist Paul Prior returns to his New Zealand hometown after his father’s death, rekindling strained relationships with his brother and memories of a troubled past. He befriends Celia, a curious and aspiring writer, who shares a fascination with his world. When Celia mysteriously disappears, Paul becomes the prime suspect, forcing him to confront buried secrets and uncover the dark truths of his family and community.

Unfortunately the movie In My Father's Den is not yet available on HBO Max.