Twenty Five Twenty One poster
9.2/10 (338 votes)
#1

Episode 7

S1:E7

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.

8.9/10 (288 votes)
#2

Episode 6

S1:E6

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.

8.9/10 (294 votes)
#3

Episode 9

S1:E9

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.

8.8/10 (261 votes)
#4

Episode 12

S1:E12

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.

8.7/10 (262 votes)
#5

Episode 4

S1:E4

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.

8.6/10 (261 votes)
#6

Episode 5

S1:E5

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.

8.6/10 (247 votes)
#7

Episode 13

S1:E13

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

8.6/10 (255 votes)
#8

Episode 14

S1:E14

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.

8.6/10 (239 votes)
#9

Episode 15

S1:E15

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

8.5/10 (289 votes)
#10

Episode 2

S1:E2

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.

8.5/10 (271 votes)
#11

Episode 8

S1:E8

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.

8.5/10 (282 votes)
#12

Episode 10

S1:E10

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.

8.4/10 (266 votes)
#13

Episode 3

S1:E3

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

8.4/10 (230 votes)
#14

Episode 11

S1:E11

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.

8.2/10 (407 votes)
#15

Episode 1

S1:E1

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.

7.6/10 (409 votes)
#16

Episode 16

S1:E16

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.

7.6/10 (409 votes)
#1

Episode 16

S1:E16

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.

8.2/10 (407 votes)
#2

Episode 1

S1:E1

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.

8.4/10 (266 votes)
#3

Episode 3

S1:E3

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

8.4/10 (230 votes)
#4

Episode 11

S1:E11

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.

8.5/10 (289 votes)
#5

Episode 2

S1:E2

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.

8.5/10 (271 votes)
#6

Episode 8

S1:E8

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.

8.5/10 (282 votes)
#7

Episode 10

S1:E10

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.

8.6/10 (261 votes)
#8

Episode 5

S1:E5

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.

8.6/10 (247 votes)
#9

Episode 13

S1:E13

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

8.6/10 (255 votes)
#10

Episode 14

S1:E14

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.

8.6/10 (239 votes)
#11

Episode 15

S1:E15

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

8.7/10 (262 votes)
#12

Episode 4

S1:E4

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.

8.8/10 (261 votes)
#13

Episode 12

S1:E12

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.

8.9/10 (288 votes)
#14

Episode 6

S1:E6

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.

8.9/10 (294 votes)
#15

Episode 9

S1:E9

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.

9.2/10 (338 votes)
#16

Episode 7

S1:E7

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.

8.2/10 (407 votes)

Episode 1

S1:E1

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.

8.5/10 (289 votes)

Episode 2

S1:E2

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.

8.4/10 (266 votes)

Episode 3

S1:E3

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

8.7/10 (262 votes)

Episode 4

S1:E4

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.

8.6/10 (261 votes)

Episode 5

S1:E5

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.

8.9/10 (288 votes)

Episode 6

S1:E6

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.

9.2/10 (338 votes)

Episode 7

S1:E7

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.

8.5/10 (271 votes)

Episode 8

S1:E8

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.

8.9/10 (294 votes)

Episode 9

S1:E9

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.

8.5/10 (282 votes)

Episode 10

S1:E10

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.

8.4/10 (230 votes)

Episode 11

S1:E11

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.

8.8/10 (261 votes)

Episode 12

S1:E12

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.

8.6/10 (247 votes)

Episode 13

S1:E13

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

8.6/10 (255 votes)

Episode 14

S1:E14

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.

8.6/10 (239 votes)

Episode 15

S1:E15

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

7.6/10 (409 votes)

Episode 16

S1:E16

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 Average Rating Episodes Best Episode Worst Episode
1 ★ 8.6 16
★ 9.2 Episode 7
★ 7.6 Episode 16