The Forbidden Marriage - Season 1 - Episode 6
The appearance of Ja Yeon's ghost stirs up the palace. However, Shin Won and So Rang investigate thoroughly to prove to Heon that she is not real. Eventually, they find out that someone has stolen the late Princess' court dress. The ghost is a person who just resembles Ja Yeon and is part of a scheme made by someone with a high rank within the palace.
About The Forbidden Marriage

Title: The Forbidden Marriage
First Air Date: 2022-12-09
Last Air Date: 2023-01-21
Status: Ended
Rating: 6.6/10 (from 25 votes)
Language: KO
Seasons: 1
Total Episodes: 12
Network: MBC
Genres: Drama, Mystery, Comedy
Production Companies: Bon Factory
Synopsis
A hilarious royal scheme begins when a fraud pretends to bring back the crown princess with spirit possession.
Cast

Kim Young-dae
King Lee Heon

Park Ju-hyun
Ye So-rang

Kim Woo-seok
Lee Shin-won

Kim Min-ju
Ahn Ja-yeon / Princess Ahn

Uhm Hyo-seop
Ye Hyun-ho

Park Sun-young
Seo Woon-jung

Yang Dong-geun
Jo Seong-gyun

Cha Mi-kyeong
Queen Dowager

Choi Deok-moon

Giriboy
Jung Do-seok