"Campaign 2: The Mighty Nein" is the second campaign of the popular web series Critical Role, where a group of voice actors play Dungeons & Dragons. The story follows a diverse group of adventurers known as the Mighty Nein, who explore the world of Exandria while facing various challenges and uncovering secrets about themselves and their pasts. The campaign features characters like Beau, a monk with a rebellious spirit, and Jester, a playful cleric who loves to create chaos. Throughout their journey, the Mighty Nein encounters powerful foes, forms deep friendships, and navigates complex moral dilemmas, all while engaging in rich storytelling and character development.