Vox Machina finds Whitestone's holy leader, Keeper Yennen, who tells them of a growing rebellion. The team realizes that to defeat the Briarwoods they will need the help of rebel leader, Archibald Desnay. But first they must stage a daring prison break and confront the Briarwoods’ sadistic jailer, Kerrion Stonefell.

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.