Perhaps the most heartbreaking arc in Episode 4 belongs to Major Dmitri Volkov, the young, idealistic officer who has served as the audience’s moral compass. Throughout the season, Dmitri believed he could reform the regime from within. He thought if he just showed Sokolov the data—the collapsing economy, the dying children—the General would relent.
: An epilogue set 15 years earlier reveals that Ja-gyeong was likely an escaped test subject from "The Witch" project, explaining why her body could uniquely host the Tyrant virus. The Tyrant Season 1 - Episode 4