[Joynews24 Reporter Lee Ji-young] Byun Woo-seok has faced backlash after being labeled the "21st-century Prince Suyang."
The April 10 episode of MBC's '21st Century Daegunbuin' showed a palace fire that broke out during the king's birthday celebration.
At King Lee Yun (Kim Eun-ho)'s birthday event, dignitaries from across society gathered. Grand Prince Ian (Byun Woo-seok) arrived late, wearing a cheolik instead of formal court robes.
![21st Century Daegunbuin [Photo=MBC]](https://contents-cdn.viewus.co.kr/image/2026/04/CP-2023-0079/image-86412fa7-b982-4de8-8d5c-082ee042555c.jpeg)
Lee Yun's mother, Yoon I-rang (Gong Seung-yeon), took issue with Grand Prince Ian's appearance. After the banquet, a sudden fire erupted in the palace, and Yoon I-rang panicked, fearful for Lee Yun. Grand Prince Ian rushed to the scene after an explosion was heard. The moment she saw him, Yoon I-rang slapped him and angrily demanded, "Are you trying to kill the king again?" as if blaming him for the blaze.
Seong Hee-ju (IU) watched in shock, and at that moment Lee Yun arrived, running in with his officials.
![21st Century Daegunbuin [Photo=MBC]](https://contents-cdn.viewus.co.kr/image/2026/04/CP-2023-0079/image-69791d17-a46a-4ec2-93f3-d25b0f280d62.jpeg)
The palace fire was downplayed in the press, which instead zeroed in on Grand Prince Ian's cheolik. Media outlets published a wave of critical stories, branding him the "21st-century Prince Suyang."
Later, Yoon I-rang visited Grand Prince Ian, apologized for slapping him, and then pressured him to marry the woman she had selected and leave the palace.