London Pierce, an avid mountain biker and Dungeons & Dragons enthusiast, found himself unexpectedly gifted with healing magic. This newfound power, however, thrust him into a world of chaotic battles, where he and his loyal friends, dubbed the "Donner Party" must now use their gaming knowledge and newfound abilities to defend their hometown from a magical invasion. Armed with swords, shields, and a healthy dose of plot armor, they embark on a perilous journey, facing dangers and casting spells in a desperate bid for survival.