Arthur believes that Bedwin will be able to negotiate peace with Gorfydd; however, when Morgan and Derfel arrive in Powys, they discover a horrific site.

Men and women live in a giant silo underground with several regulations which they believe are in place to protect them from the toxic and ruined world on the surface.

Jon organizes the defense of the North. Cersei tries to even the odds. Daenerys comes home.