Season 1 poster
Series SeasonSeason 1 episodes2022

Twenty Five Twenty One

Season 1

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.

Episodes
Each episode has its own detail page.
Episode 1
Episode 176 min2022-02-12

Episode 1

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.

Episode 2
Episode 275 min2022-02-13

Episode 2

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.

Episode 3
Episode 371 min2022-02-19

Episode 3

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

Episode 4
Episode 475 min2022-02-20

Episode 4

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.

Episode 5
Episode 577 min2022-02-26

Episode 5

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.

Episode 6
Episode 675 min2022-02-27

Episode 6

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.

Episode 7
Episode 773 min2022-03-05

Episode 7

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.

Episode 8
Episode 873 min2022-03-06

Episode 8

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.

Episode 9
Episode 973 min2022-03-12

Episode 9

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.

Episode 10
Episode 1071 min2022-03-13

Episode 10

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.

Episode 11
Episode 1177 min2022-03-19

Episode 11

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.

Episode 12
Episode 1275 min2022-03-20

Episode 12

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.

Episode 13
Episode 1375 min2022-03-26

Episode 13

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

Episode 14
Episode 1479 min2022-03-27

Episode 14

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.

Episode 15
Episode 1589 min2022-04-02

Episode 15

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

Episode 16
Episode 1690 min2022-04-03

Episode 16

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.

Season Media
Posters and videos for this season.