The Emperor – Owner of the Mask |

August 25, 2025

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👑 The Emperor – Owner of the Mask (2017): Power, Love, and Betrayal in Joseon

The historical K-drama The Emperor – Owner of the Mask, also known internationally as Ruler: Master of the Mask, first aired in 2017 and quickly captured audiences with its mix of political intrigue, romance, and the timeless struggle between justice and corruption.


📖 Plot Overview

Set during the Joseon dynasty, the drama follows Crown Prince Lee Sun (played by Yoo Seung-ho), who is forced to wear a mask from childhood to conceal his identity. His life takes a dramatic turn when he discovers the existence of the secret society Pyunsoo-hwe, an organization that controls the kingdom through the monopoly of water — the people’s most vital resource.

Determined to fight against this tyranny, the Crown Prince sets out to break their grip on power and restore justice to the throne. Along the way, he falls in love with Han Ga-eun (Kim So-hyun), a kindhearted young woman whose father was unjustly executed.

Their romance, however, is complicated by deception, sacrifice, and the ever-present danger of betrayal within the palace walls.

Mặt nạ quân chủ – Wikipedia tiếng Việt


🎭 Cast and Performances

  • Yoo Seung-ho delivers a powerful performance as the Crown Prince, portraying both vulnerability and determination.

  • Kim So-hyun shines as Han Ga-eun, embodying compassion and resilience.

  • L (Kim Myung-soo) and Yoon So-hee add depth to the drama with complex supporting roles caught between love, loyalty, and ambition.


⚔️ Themes and Impact

The drama explores themes of:

  • Justice vs. corruption – the prince’s battle against Pyunsoo-hwe mirrors timeless struggles for fairness and equality.

  • Identity and sacrifice – the mask symbolizes both protection and the heavy burden of leadership.

  • Love and betrayal – romance unfolds against a backdrop of political manipulation and danger.

With its high production values, detailed costumes, and emotionally charged storytelling, The Emperor – Owner of the Mask stood out as one of 2017’s most memorable historical dramas.

The Emperor: Owner of the Mask (2017) | MUBI


🌍 Global Reception

The series enjoyed strong domestic ratings and international popularity, particularly among global K-drama fans. Its combination of palace intrigue, heartfelt romance, and moral dilemmas made it appealing to a wide audience beyond Korea.


✨ In conclusion, The Emperor – Owner of the Mask remains a captivating historical K-drama that blends love, power, and tragedy into a gripping tale of a young ruler’s fight to protect his people.