Part 6/8:
Their journey leads them to Heaven Planet, which is devastated by an Alliance assault. The crew comes to understand the massive scale of the threat posed by the Alliance, reinforcing Mal's determination to confront their adversary. In their quest for knowledge, they encounter a recording that reveals the horrors committed on Miranda: a drug deployed by the Alliance designed to pacify the population led to catastrophic results; some citizens became comatose, while others devolved into violent creatures known as Ravens, leading to the devastation of the planet.