This week's guest on The Commentary Cast is writer extraordinaire Brian Duffield talking about his directorial debut - Spontaneous. When students in their high school inexplicably start to explode, seniors Mara and Dylan struggle to survive in a world where each moment may be their last. As an unexpected romance blossoms between them, they soon discover that when tomorrow is no longer promised, they can finally start living for today. Based on the book by Aaron Starmer, the film stars, Katherine Langford alongside Charlie Plummer.