Comedy Drama
S01E04 • 7.8/10 • 64m • 13 Jan 2026 • KR •

Spring Fever (2026) S01E04 – Your Uncle Is… An Heir?

Bom's heart freezes over again when she realizes Jae-gyu knows her secrets. She throws up a cold wall and tells him to stay out of her life. Determined to clear up the misunderstanding, Jae-gyu brings out his ultimate move to win her back. Will it be enough to thaw Bom's heart?

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Cast

Lee Ju-bin
Lee Ju-bin
Yoon Bom
Ahn Bo-hyun
Ahn Bo-hyun
Seon Jae-gyu
Cha Seo-won
Cha Seo-won
Choi Yi-joon
Cho Jun-young
Cho Jun-young
Seon Han-gyeol
Lee Jae-in
Lee Jae-in
Choi Se-jin
Na Young-hee
Na Young-hee
Jeong Nan-hee
Cho Seung-yeon
Cho Seung-yeon
Yoon Jeong-ki
Im Su-hyung
Im Su-hyung
Oh Seong-tae
Jin Kyung
Jin Kyung
Seo Hye-sook
Bae Jung-nam
Bae Jung-nam
Jeong Jin-hyeok
Oh Man-seok
Oh Man-seok
Hong Jeong-pyo
Jung Young-ki
Jung Young-ki
Wi Jeong-hwan
Kim Beong-choun
Kim Beong-choun
Seok Gwan-su
Seo Sang-won
Seo Sang-won
Choi Chan-gu
Kim Sun-hye
Kim Sun-hye
Lee Jin-hui
Son Yeo-eun
Son Yeo-eun
Seon Hui-yeon
An Sang-Jin
An Sang-Jin
Kim Dae-han
Choi In-U
Choi In-U
Kim Min-guk
Lee Jae-Mu
Lee Jae-Mu
Oh Dong-pyo
Jung Ma-rin
Jung Ma-rin
Grandmother

Episodes

Spring Fever (2026) S01E01 – Your Uncle Is… That Guy? S01E01 61m
5 Jan 26
Spring Fever (2026) S01E01 – Your Uncle Is… That Guy?
In the small seaside town of Shinsu-eup, where the villagers closely monitor each other's every move, Yoon Bom is a figure who carries a question mark. Speculation abounds as to how Yoon Bom, once a successful teacher in Seoul, ended up in this town... But one figure boasts an overwhelming presence that instantly steals all their attention: Seon Jae-gyu, the townspeople's number one target of vigilance. When Bom enters his radar, her monotonous daily life begins to unravel!
Spring Fever (2026) S01E02 – Your Uncle… Has a Job? S01E02 61m
6 Jan 26
Spring Fever (2026) S01E02 – Your Uncle… Has a Job?
There's something familiar about Jae Gyu's actions, though Bom can't quite figure out why. Meanwhile, Se Jin disappears, frustrated from always coming in second because of Han Gyeol. Bom and Jae Gyu head to Seoul to find her. At a critical moment, Jae Gyu's sudden appearance flips a switch in Bom's memory.
Spring Fever (2026) S01E03 – Your Uncle Is… A Dad? S01E03 64m
12 Jan 26
Spring Fever (2026) S01E03 – Your Uncle Is… A Dad?
Bom glimpses an unexpected side of Jae-gyu and starts to think he might not be so bad after all. Then a shocking rumor begins spreading through town: Jae-gyu isn't Han-gyul's uncle, he's his dad! The news keeps weighing on her, so she decides to confront it head-on.
Spring Fever (2026) S01E04 – Your Uncle Is… An Heir? S01E04 64m
13 Jan 26
Spring Fever (2026) S01E04 – Your Uncle Is… An Heir?
Bom's heart freezes over again when she realizes Jae-gyu knows her secrets. She throws up a cold wall and tells him to stay out of her life. Determined to clear up the misunderstanding, Jae-gyu brings out his ultimate move to win her back. Will it be enough to thaw Bom's heart?
Spring Fever (2026) S01E05 – Your Uncle Is… Not Participating? S01E05 61m
19 Jan 26
Spring Fever (2026) S01E05 – Your Uncle Is… Not Participating?
Shinsu-eup's biggest festival, the Shinsu High School Sports Festival, is underway. However, Jae-gyu, unaware that Bom has been transferred to the Baek team, declares his withdrawal. Without Jae-gyu, the Baek team struggles to muster, and Bom's face fills with dejection . Jae-gyu's inability to compete in order to keep his promise to Han-gyeol is beyond words. Bom visits Jae-gyu and offers words that fuel his yearning!
Spring Fever (2026) S01E06 – Your Uncle Is… A Thief? S01E06 64m
20 Jan 26
Spring Fever (2026) S01E06 – Your Uncle Is… A Thief?
Bom admits to her feelings for Jaegyu, but refuses to meet with his parents any longer. Jaegyu declares to her that he will wait until Hangyeol graduates. Until then, they agree to maintain a strictly public distance. However, contrary to their firm promise, their jealousy towards each other only grows...!
Spring Fever (2026) S01E07 – Your Uncle Is… A CEO? S01E07 62m
26 Jan 26
Spring Fever (2026) S01E07 – Your Uncle Is… A CEO?
The misunderstanding between them has been resolved, but perhaps it was after their accidental kiss? The fact that they have to wait until Han-gyeol's graduation is disappointing and regrettable. Ultimately, they agree to a one-day date before officially entering into a relationship. Will their secret date go smoothly?
Spring Fever (2026) S01E08 – Your Uncle… Collapsed? S01E08 61m
27 Jan 26
Spring Fever (2026) S01E08 – Your Uncle… Collapsed?
Someone witnesses Jaegyu and Bom's love affair. He proposes a secret deal to Bom and Jaegyu in exchange for keeping it a secret. Meanwhile, a sudden typhoon strikes Shinsu-eup, and the residents gather one by one at Jaegyu's house, the only one in the village that hasn't lost power. However, Bom mysteriously disappears, and Jaegyu and Lee Jun must brave the storm to find her...!
Spring Fever (2026) S01E09 – Your Uncle Is… Dating Ms. Bom? S01E09 61m
2 Feb 26
Spring Fever (2026) S01E09 – Your Uncle Is… Dating Ms. Bom?
Han-gyul learns his mother is alive and argues with Jae-gyu. During the festival, shocking news forces Bom and Jae-gyu to make a major choice.
Spring Fever (2026) S01E10 – Your Uncle… Got Hurt? S01E10 61m
3 Feb 26
Spring Fever (2026) S01E10 – Your Uncle… Got Hurt?
Nan-hee disapproves of Jae-gyu and Bom but stays close to watch them. A misunderstanding lands Jae-gyu in the hospital, shocking Bom.
Spring Fever (2026) S01E11 – Your Uncle Is… Going Somewhere? S01E11 61m
9 Feb 26
Spring Fever (2026) S01E11 – Your Uncle Is… Going Somewhere?
Jae-gyu shares his painful past with Bom, unsure of her feelings. Meanwhile, a reporter's news of Nan-hee brings Bom's past back into the spotlight.
Spring Fever (2026) S01E12 – Your Uncle Is… That Guy? S01E12 63m
10 Feb 26
Spring Fever (2026) S01E12 – Your Uncle Is… That Guy?
Bom bravely faces the truth with Jae-gyu by her side. As Bom's return to Seoul comes near, she and Jae-gyu make memories in Shinsu together!

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