As the insectoid alien Swarm surges across another system in the Vast, the heroes are the only survivors of a doomed military battalion. After retreating through several miles of war-torn terrain to a fortified command post, they receive orders to evacuate the planet and rescue any civilians along the way. Among the refugees is a shirren priest of the Forever Queen Hylax, a mysterious ancient insect-goddess whose temple seems to be of particular interest to the Swarm. By relying on their wits���and each other���the heroes just might make it into orbit before the Swarm completely overruns their world. Fate of the Fifth is a Starfinder Roleplaying Game adventure for four 1st-level characters. This adventure begins the Attack of the Swarm! Adventure Path, a six-part, monthly campaign in which the heroes fight back against a ruthless and nigh-unstoppable alien invasion. This adventure also includes a player's guide to battling the Swarm, an exploration of the Swarm's origins and biology, and a selectwarm monsters and other terrible threats.