New stills from the upcoming episode of In Your Radiant Season have been released, hinting at rising tension among the drama’s central characters.
In Your Radiant Season follows the romance between Sunwoo Chan, played by Lee Sung Kyung’s co-star Chae Jong Hyeop, a man who lives every day as though it were an exciting summer vacation, and Song Ha Ran, portrayed by Lee Sung Kyung, a woman who has emotionally shut herself away as if trapped in a long winter.

In earlier episodes of In Your Radiant Season, Song Ha Ran was left deeply shaken after Sunwoo Chan abruptly departed for the United States just before their planned date. With Sunwoo Chan leaving without even a single message, Song Ha Ran could only worry about him in silence, eventually breaking down in tears as uncertainty weighed heavily on her mind.

At the same time, Kim Nana, played by Lee Mi Sook, began revealing a secret to Cha Yoo Kyum, the boyfriend of Song Ha Dam, portrayed by Oh Ye Ju. This unexpected conversation led to a growing misunderstanding between Ha Dam and Yoo Kyum, further complicating relationships within the Nana House.
Newly released stills from In Your Radiant Season show the three sisters—Song Ha Ran, Song Ha Young, and Song Ha Dam—caught in an intense argument as their emotions reach a breaking point. Song Ha Ran appears exhausted after days of worrying about Sunwoo Chan, who has remained out of contact since leaving for the United States. Meanwhile, Song Ha Young, played by Han Ji Hyeon, is in a bad mood following an unexpected reaction from Yeon Tae Seok during a meeting.

For Song Ha Dam, the situation is equally difficult. She has just had a serious argument with Cha Yoo Kyum, who has recently been avoiding her. As tensions rise, the sisters begin provoking one another with sharp words, allowing their pent-up emotions to erupt in a heated confrontation.
As Cha Yoo Kyum’s lies continue to accumulate, Song Ha Dam begins to suspect that her grandmother Kim Nana—who previously opposed her marriage—may have secretly called Yoo Kyum to threaten him. Determined to uncover the truth, Ha Dam visits Yoo Kyum during his training and makes a shocking declaration.
With the college entrance exam approaching, viewers are now wondering what consequences Song Ha Dam’s decision may bring to the Nana House.
Meanwhile, Kim Nana quietly visits a large hospital without informing her family to undergo a dementia test. However, an unexpected mistake soon throws Nana Atelier into crisis. Park Man Jae, played by Kang Seok Woo, happens to be at the hospital at the same time and notices Kim Nana hurriedly leaving.
Questions are now growing around whether Kim Nana will be able to overcome the crisis safely—and whether the health issue she has tried to hide will eventually come to light in In Your Radiant Season.
Episode 6 of In Your Radiant Season is scheduled to air on March 13 at 9:40 p.m. KST.