Mergrave and Castrovalva's institutional forces seeking to undermine the Doctor's agency and maintain the town's oppressive customs

While recovering from a near-regeneration in a precarious state, the Doctor is cornered by Ruther and Mergrave. Unable to fully articulate who he is, his admission reveals a deeper vulnerability …

The Doctor's attempt to depart Castrovalva is abruptly halted when Shardovan and Mergrave intercept him outside the library. Shardovan's initial query about the Doctor's sudden urge to leave masks a …