The new MBC drama In Your Radiant Season is just one day away from its premiere, and the production team has released a special highlight video that gives fans a deep look into the emotional journey awaiting viewers. The video focuses on the pivotal moment when Lee Sung Kyung’s character, Song Ha Ran, finally begins to lower her emotional walls for Chae Jong Hyeop’s character, Sunwoo Chan.
The highlight video, which dropped on February 19, 2026, packs a powerful emotional punch just hours before the show’s broadcast. It traces the connection between the two leads from a fateful encounter seven years ago on the Jamsu Bridge to their present-day reunion through a work collaboration . This isn’t just a simple romance teaser—it shows the slow, careful process of a wounded person learning to trust again.
Song Ha Ran’s Frozen Heart Begins To Thaw
The video beautifully captures the core transformation of Lee Sung Kyung’s character. Song Ha Ran is a woman who has locked herself in an emotional winter, carrying deep wounds from losing loved ones. She works as the head designer at Nana Atelier, a top fashion house, and presents a perfect, cold image to the world . But inside, she lives with fear and pain.
The highlight video shows her beginning to question whether she can change. A key moment comes when she says, “Perhaps even sad memories can gradually be overwritten” . This line is important because it shows Ha Ran is not just passively receiving Sunwoo Chan’s attention—she is actively considering the possibility of healing and opening her heart again.
Sunwoo Chan, played by Chae Jong Hyeop, approaches her with a simple but powerful suggestion. He asks that they live joyfully together, like they are on a spring picnic, at least until next spring comes . This idea of temporary warmth, of allowing herself happiness even if it might not last, seems to resonate with Ha Ran. It gives her permission to feel without demanding a permanent commitment she isn’t ready to make.
Two Love Stories Across Generations
While the main focus remains on Lee Sung Kyung and Chae Jong Hyeop’s budding romance, the highlight video also gives significant attention to a second love story. Veteran actors Lee Mi Sook and Kang Suk Woo play Kim Nana and Park Man Jae, who reunite after nearly 40 years apart .
Kim Nana is Song Ha Ran’s grandmother and a legendary fashion designer. The video hints that she does not have much time left, which adds urgency and emotional weight to her reunion with Park Man Jae . Their scenes are filled with affectionate gazes that carry decades of unspoken feelings. This twilight romance provides a beautiful contrast to the younger couple’s story and shows that love can bloom at any age.
The production team described these interconnected narratives as stories of people passing through winter and welcoming spring again. They hope viewers will find comfort and excitement in watching these characters heal .
The Three Sisters Add Family Depth
The highlight video also introduces viewers to Song Ha Ran’s younger sisters. Han Ji Hyun plays the middle sister, Song Ha Young, who works as a junior designer at Nana Atelier. She brings a more straightforward and lively energy to the family dynamic . Oh Ye Ju plays the youngest sister, Song Ha Dam, who shows a smart and mature side despite her age .
Their presence in the video suggests that family relationships will play a major role in the drama. The three sisters each show love for their grandmother and for each other in different ways, adding layers to the story beyond the central romance . The highlight video hints that Song Ha Dam, the youngest, might even shake things up with a shocking remark that affects the household .
What The Highlight Video Reveals About The Story
For those who have followed the promotional materials, this highlight video ties together many threads from previous teasers. Earlier teasers showed Sunwoo Chan persistently staying by Ha Ran’s side even when she tried to push him away. In one previous teaser, she firmly stated, “I don’t want to create any variables,” but his warm and unpretentious demeanor kept chipping away at her frost .
The new video shows the result of that persistence. Ha Ran is no longer just resisting—she is actively opening the door. Her character arc appears to be about learning that vulnerability is not weakness and that allowing someone in might be the first step toward healing.
Sunwoo Chan’s character also has hidden depths. While he presents a bright and cheerful exterior, he carries his own painful memories from a mysterious accident. In a previous teaser, when asked what past he would want to return to if he could time slip, he calmly replied that he had none . This hints at wounds he carries silently, making him a perfect match for Ha Ran—two people who understand pain even if they express it differently.
When And Where To Watch The Premiere
In Your Radiant Season is scheduled to premiere on February 20, 2026, at 9:50 p.m. KST on MBC TV . The drama will follow a bi-weekly release schedule, with two episodes airing every Friday and Saturday until March 28, 2026 .
For international viewers, the drama will also be available for streaming on Disney+ . This makes it easily accessible for fans around the world who want to watch Lee Sung Kyung and Chae Jong Hyeop’s performances. The platform offers various subscription options, including bundles with Hulu for viewers in certain regions.
The drama consists of 12 episodes total, which is a relatively compact run compared to some longer Korean dramas . This suggests the story will be tightly focused without unnecessary filler.
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Cast And Characters At A Glance
The main cast brings together a mix of young stars and experienced veterans. Lee Sung Kyung, known for her roles in Weightlifting Fairy Kim Bok-joo and Dr. Romantic, takes on the complex role of Song Ha Ran . Chae Jong Hyeop, who impressed audiences in Castaway Diva and Serendipity’s Embrace, plays opposite her as Sunwoo Chan .
The supporting cast adds significant weight to the production. Lee Mi Sook brings decades of acting experience to the role of grandmother Kim Nana. Kang Suk Woo plays the gentle barista Park Man Jae. Han Ji Hyun and Oh Ye Ju round out the three sisters, while Ki Hyun Woo appears as a junior designer .
Director Jung Sang Hee and writer Cho Sung Hee have worked to create what they describe as a story about a heart that cherishes others. At the script reading, Jung expressed hope that everyone involved would feel proud of the time they spent working on the project .
The highlight video released on February 19 successfully builds anticipation for the premiere. It shows Lee Sung Kyung’s character beginning to trust again, Chae Jong Hyeop’s character providing patient warmth, and two generations of love stories unfolding in parallel. With just hours until the first broadcast, fans won’t have to wait much longer to see how Song Ha Ran’s winter finally turns to spring.
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