Vox Machina explores an ancient temple to search for their first Vestige of Divergence, a legendary weapon they hope will aid them against the dragons of the Chroma Conclave. As they overcome a series of dangerous encounters to reach the sunken tomb, one of the team makes a terrible mistake.

Upon arriving at the location of the next Vestige of Divergence, Vox Machina must face the challenges of the mysterious sphinx, Kamaljiori – the mate of Osysa. But even if they can succeed, a new, unexpected threat lies waiting for them.

Knowing that the Titanstone Knuckles are in the city of Westruun, Pike and Scanlan come up with a plan to get them from their current owner, Grog's uncle, Kevdak. But Grog, weakened by Craven Edge's curse and haunted by his last encounter with his uncle, questions whether he is strong enough of mind, or body, to confront Kevdak.

As the black dragon Umbrasyl escapes their attempted ambush, Vox Machina pursues him to Gatshadow Mountain. In the fearsome acid-filled tunnels of Umbrasyl’s lair, Vox Machina must make a final stand against the evil dragon.

In disguise, Raishan visits Vox Machina with a promise of aid. She tells them of a vestige capable of defeating Thordak; the Plate of the Dawnmartyr. The team is divided on trusting the duplicitous dragon, but journeys to the city of Marquet to test if she speaks true.

While Vax, Keyleth, Pike, Grog and Scanlan seek magical armor in the Hells of Despath, Percy, Vex, Kima and Allura try to survive against the savage Vorugal. Can each team survive the fires of hell, and the frigid doom?

In the ruins of Whitestone, Vox Machina makes a startling discovery - a clue from Ripley luring them to her remote island lair. Before they can resume the fight against the Chroma Conclave, they must deal with the serpent who's been nipping at their heels.

Thordak has fallen - though the price paid was steep. In the aftermath, Raishan absconds with Thordak's corpse. Vox Machina doesn't know her plan, but it can't be good. Fractured, they scatter on their own personal quests: vengeance, solace, and knowledge.