The Last Spark (2021)

Our noir-horror film depicts a world devastated by a virus that physically and mentally mutates people into their greatest fears. Decades after the outbreak and trapped in a single room, Glen, an aged researcher plays mind games with his captor Peter, an interrogator for a sinister cult. Glen is forced to recount stories from his research. A police call operator dealing with day 1 of the outbreak, an insane trainer keeping captives for his own entertainment, an attack at a nightclub and a home invasion. Over time the torture and memories break Glen, manifesting him into his greatest fear.