The Cleansing War of Garik Blackhand (GW3) TSR# 7504

In the post-apocalyptic future setting of Gamma World, the player characters are members of the primitive White Feathers, a mixture of humans, humanoids and mutant animals who live in the area of today's Yellowstone Park. The White Feathers are in the midst of peace negotiations with the rival Gray Rocks when the parley is disrupted by the local chapter of the pure-human Knights of Purity led by Garik Blackhand. Members of the Gray Rocks suddenly attack members of the White Feathers, accusing them of being in league with the Knights of Purity. In the chaos, the White Feathers' shaman is mortally wounded. Before he dies, he tells the player characters to find proof that the Knights of Purity somehow framed the White Feathers.