"Spontaneous" is a darkly comedic coming-of-age film that follows high school seniors Mara (Katherine Langford) and Dylan (Charlie Plummer) as they navigate the complexities of young love amidst a bizarre phenomenon: their classmates are spontaneously combusting. As the mysterious explosions escalate, Mara and Dylan grapple with the unpredictability of life and the urgency to live each moment to its fullest. Directed by Brian Duffield, this genre-blending film offers a unique mix of humor, romance, and existential reflection.