Both films are set in the same era, highlighting Grand Prince Suyang’s rise to power, with 'The Face Reader' currently seen as an unofficial prologue to 'The King’s Warden.'
Both inspired by Grand Prince Suyang’s forceful rise to the throne, first with Prince Anpyeong in 'Canvas of Blood', prior to Danjong and Prince Geummyeong in 'The King’s Warden.'
