June Hur’s 2022 The Red Palace is a stand-alone mystery novel.
Hyeon is the child of a high-ranked official and his peasant mistress; she cannot be legally acknowledged. Her prospects in 18th century Joseon-dynasty Korea would seem to be limited. But she’s bright and hard-working and has managed to train as a nurse. She’s even achieved a position as a palace nurse.
Posts of honor can be perilous.