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Park So-dam appeared on Red Velvet Seulgi's YouTube channel Hi Seulgi, in an episode released on September 4, 2026, Korea time, and talked about the film The Journey to Gyeongju, her everyday life and health management. Multiple reports focused on her changed physical condition after thyroid cancer surgery and her half-body bath routine, but the center of this appearance was the film The Journey to Gyeongju, released on August 26, 2026, Korea time. Park plays Young-joo, the second daughter and a former law student, portraying a character where reason and emotion collide inside the revenge journey of four women in one family.

Actor Park So-dam appeared on Red Velvet Seulgi's YouTube channel Hi Seulgi. The video was released on September 4, 2026, Korea time, and several media outlets later covered Park's remarks and recent updates. The topics repeatedly covered in reports fell into two lines. One was the promotion of the film The Journey to Gyeongju and discussion of her character. The other was the health management routine she has maintained since thyroid cancer surgery.

The weight of this article is on the film. The Journey to Gyeongju is a family revenge story written and directed by Kim Mi-jo. The film follows a family that lost its youngest daughter, Gyeongju, who never returned from a school trip. Eight years later, after the perpetrator is released from prison, the family heads to Gyeongju. On the surface, the film takes the form of a trip. Inside that journey, however, loss, anger, guilt and the desire for revenge flow together in a complicated way.

The film is led by Lee Jung-eun, Kong Hyo-jin, Park So-dam and Lee Yeon as the four women of the family, with Byun Yo-han joining as a figure who creates tension around the incident. Lee Jung-eun plays the mother Ok-sil, Kong Hyo-jin plays eldest daughter Jang-joo, Park So-dam plays second daughter Young-joo, and Lee Yeon plays Dong-joo, another daughter in the family that lost its youngest member. Byun Yo-han is introduced as Baek Sang-hyun, a character connected to the revenge plan of the four women. Based on multiple reports and released materials, the core of the film lies less in the result of revenge than in the cracks and solidarity within the family as they move toward it.

Young-joo, played by Park So-dam, holds an important position inside that structure. Young-joo is introduced as a former law student and is closer to the person who tries to organize the family's revenge plan rationally. In a situation where the emotions of the four women do not move in only one direction, Young-joo tries to judge and arrange things. Still, she is not free from the emotions of someone who has lost a family member.

That is also what makes The Journey to Gyeongju interesting. Revenge stories usually have a clear target. A person who has been harmed goes after the perpetrator, and the audience follows the tension and release of that process. But when the story becomes a family revenge drama, the situation changes slightly. As important as the target of revenge is how the remaining family members look at one another. Even if they experienced the same loss, each character endures grief and uses anger differently. The Journey to Gyeongju unfolds those differences through a road journey.

Park So-dam's appearance on Hi Seulgi was a place where this quality of the film could be delivered to the public in a softer way. Reports said she showed her admiration for Seulgi and prepared a flower basket and handwritten letter. Yet even inside that light meeting, the conversation about The Journey to Gyeongju continued. Park expressed gratitude for support toward the film and introduced it in a way suggesting that viewers may find a different texture from what they initially expect.

This point also connects to how promotional variety content meets film publicity. Recent film promotion no longer stays only within production presentations and interviews. YouTube variety shows, short-form content, radio appearances, GV events and regional previews often move together. Before choosing a film in theaters, audiences encounter an actor's words, mood and the emotional tone of a work across several platforms. The Journey to Gyeongju is also part of that flow, with Park So-dam widening contact points with audiences through various channels after the release.

Director Kim Mi-jo previously drew attention with the film Gull, and The Journey to Gyeongju has been introduced as her commercial feature work. If Gull looked directly at social violence and women's lives, The Journey to Gyeongju uses the outer layer of genre to deal with a family's wounds and time of mourning. Although it uses the strong material of revenge, one of the film's characteristics is that the emotion of revenge does not simply move toward catharsis.

Park So-dam's recent comments about health are also difficult to leave out. On Hi Seulgi, she said in effect that yoga, Pilates, foam rolling and half-body baths have become part of her daily routine for building healthy stamina and condition. She also explained that her body temperature regulation changed after thyroid cancer surgery. Several media outlets highlighted this part in their headlines. Park was diagnosed with papillary thyroid cancer and underwent surgery in 2021, later going through recovery before returning to projects and promotional schedules. The Journey to Gyeongju is one of the works meeting audiences within that post-recovery activity. Her health remarks are private, but in this context they are better understood as a natural explanation of her daily life while continuing to promote work and meet audiences.

The gap between Young-joo in the film and Park So-dam in the video also remains noticeable. Young-joo in The Journey to Gyeongju is introduced as a character who judges situations coolly and makes plans. In contrast, Park on Hi Seulgi appeared nervous in front of someone she admires, prepared gifts and expressed strong gratitude for support toward the film. This contrast is a common way promotional content shows another side of an actor. At the same time, it becomes a device that helps audiences distinguish between the character in the film and the actor herself.

The Journey to Gyeongju opened on August 26, 2026, Korea time. Its running time is reported at around 111 minutes, and its rating is for viewers aged 15 and above. Distribution is handled by Lotte Entertainment, and Studio Highfive is reported to have participated in production. The film previously won the Audience Award at the 24th Florence Korea Film Fest. That record shows the film is not leaning only on star casting, but has also been evaluated for the texture of its story and direction.

Park So-dam's appearance on Hi Seulgi is one YouTube video, but it also contains the current method of Korean film promotion. An actor explains the story of a work, receives audience reactions to a character, and shares parts of her everyday life and recovery process. Through that story, viewers come closer to the emotion of the film. In the case of The Journey to Gyeongju, that emotion reaches more deeply toward family loss and mourning than toward revenge alone.

Seen through the lens of the film, the core of this appearance is fairly clear. Park So-dam plays Young-joo, the second daughter who serves as the rational axis of a family revenge story in The Journey to Gyeongju, and on YouTube's Hi Seulgi, she expressed affection for the work and gratitude for audience reactions. Her remarks about health routines show the actor's personal recovery and daily life, but the center of the story remains the film and the role Park takes within it.

Summary Points

• Park So-dam appeared on YouTube channel Hi Seulgi, in an episode released on September 4, 2026, Korea time.
• The appearance was reported as part of the promotional schedule for the film The Journey to Gyeongju.
• The Journey to Gyeongju is a family revenge story directed by Kim Mi-jo and released on August 26, 2026, Korea time.
• The film follows four women in one family as they head to Gyeongju after losing the youngest daughter eight years earlier.
• Park So-dam plays Young-joo, the second daughter and a former law student who acts as the rational axis of the revenge plan.
• In the video, Park also mentioned her health management routine and changed physical condition after thyroid cancer surgery.