River Where the Moon Rises S01 E15 Episode 15

"Pyeonggang’s vie for power could very well cost her everything. Will the price she realizes she must pay prove to be too much?"

The Princess succeeds in luring Go Won Pyo and the Queen into her trap. In return for not exposing the two, she demands one thing from each of them. Slowly gaining power within the palace, the Princess falls deeply into the concern of how to deal with the Go Family. However, the Go Family’s response still seems unpredictable.