Vox Machina is invited to the palace for a formal dinner, where Percy encounters murderous figures from his past: the mysterious Lord Sylas and Lady Delilah Briarwood. While gathering more information about the Briarwoods, a battle ensues. In the aftermath, the team discovers Percy’s tortured past has left something dark brewing inside of him.

Vox Machina launches a final assault against the Briarwoods atop the Ziggurat. Battling the dark magic of Delilah and the vampiric strength of Sylas, a worried Vex and an unhinged Percy try to save their siblings. But their best efforts may not be enough as the Briarwoods near completion of their secret ritual.

Vox Machina's victorious return home to Emon is cut short by the arrival of ancient dragons, the Chroma Conclave. Despite Vox Machina's best efforts, the dragons lay waste to the city, forcing the team to find a way to escape.

In a desperate bid to save a team member's life, Vax strikes a fateful deal with the Matron of Ravens, offering his life in exchange. As Vox Machina battles their way out of the sunken temple, Vax wonders what he's just signed up for.

While Scanlan makes a fateful and shocking discovery about his past, Vax confronts the Matron of Ravens to uncover the truth about the mysterious pact he made with her. At the same time, Vox Machina teams up with Grog’s Herd and sets their sights on Umbrasyl, preparing an ambush to take down the dreaded black dragon.