Spontaneous human explosion isn’t a common subject for cinematic exploration, dealing with the horrible concept of life in full being snuffed out in the blink of an eye. Of course, there are offerings such as “This is Spinal Tap” that’ve used the event to add unusual comedic potential to projects, but “Spontaneous” isn’t interested in being silly. Writer/director Brian Duffield (“Underwater,” “The Babysitter”) hunts for a more human way to deal with heavy emotions pertaining to grief and new love, using a borderline sci-fi story to bring it all to life. “Spontaneous” is a strange feature, but one that successfully maintains a difficult tonal balance as it covers troubling areas of confusion. There are busting bodies everywhere in the movie, soaking the characters in blood, but Duffield maintains control of intimacy, which is exactly what this weird tale needs. Read the rest at Blu-ray.com