Twenty Five Twenty One

The dreams of two young people are crushed by an overwhelming financial crisis in the 1990s. But when they reunite at the ages of 25 and 21, the spirited pair finds friendship and affection in times of adversity as they venture into adulthood together.

Twenty Five Twenty One Season 1 release dates →

1. E16

   16. Episode 16

   Finale 4 years ago

   In an emotionally charged exchange, Hee-do and Yi-jin confront the state of their relationship. Hee-do accidentally leaves her diary on a bus.

2. E15

   15. Episode 15

   4 years ago

   Hee-do once again finds herself opposite her most formidable opponent. Yi-jin is busier than ever after transferring to another department.

3. E14

   14. Episode 14

   4 years ago

   Shouldering the burdens of a sudden misfortune in her family, Yu-rim arrives at a decision that places her in hot water with the public.

4. E13

   13. Episode 13

   4 years ago

   Warnings about allowing his personal ties to affect his work weigh heavily on Yi-jin. The school fencing team enters their last competition together.

5. E12

   12. Episode 12

   4 years ago

   Unable to hold back from putting an end to a teacher's abusive behavior, Seung-wan stands her ground. Hee-do and Yu-rim support a distraught teammate.

6. E11

   11. Episode 11

   4 years ago

   Hee-do grows upset when her career-obsessed mother fails to keep a promise. Yi-jin helps out Ji-woong's plans for a grand gesture at a music festival.

7. E10

   10. Episode 10

   4 years ago

   Under the guise of work, Yi-jin takes Hee-do and Yu-rim on a weekend getaway to the ocean — and agrees to let Ji Seung-wan and Ji-woong tag along.

8. E9

   9. Episode 9

   4 years ago

   As Yu-rim's perspective on Hee-do shifts, so does her behavior. While Hee-do avoids seeing Yi-jin, he volunteers for a special documentary project.

9. E8

   8. Episode 8

   4 years ago

   Hee-do perceives a growing distance between herself and Yi-jin, even as he moves back into the neighborhood. Trouble at home adds to Yu-rim's stress.

10. E7

    7. Episode 7

    4 years ago

    A frustrating media narrative dampens a monumental moment for Hee-do. Yi-jin chases down the only person who may be able to set things right.

11. E6

    6. Episode 6

    4 years ago

    Tensions run high between Hee-do and Yu-rim before an important event. Yi-jin takes on a new assignment, and spots a familiar face in the crowd.

12. E5

    5. Episode 5

    4 years ago

    Hee-do takes one giant leap closer to her dream. She's eager to tell Yi-jin the good news — but realizes he's disappeared without a trace.

13. E4

    4. Episode 4

    4 years ago

    In exchange for a favor, Hee-do carries out a daily errand for Moon Ji-woong. She happens across a drunk Yi-jin after he fails another job interview.

14. E3

    3. Episode 3

    4 years ago

    When a fortuitous opportunity presents itself, Hee-do begs her coach for extra training. An unanticipated visitor comes around hoping to see Yi-jin.

15. E2

    2. Episode 2

    4 years ago

    Though taken aback by Ko Yu-rim's cold attitude, Hee-do gives it her best in their first face-off. More of Back Yi-jin's situation comes into focus.

16. E1

    1. Episode 1

    4 years ago

    When the IMF financial crisis threatens to slash Na Hee-do's dreams, she sets out to get herself transferred to another school with a fencing program.