Nitrate

Twenty Five Twenty One · S1 · E11

Episode 11

  • TV-14
  • Mar 19, 2022
  • 77 min

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.

Watch on Netflix

About this episode

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.

Season 1

16 episodes
  1. 1Episode 1

    76 minFeb 12, 20227.5

    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.

  2. 2Episode 2

    75 minFeb 13, 2022

    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.

  3. 3Episode 3

    71 minFeb 19, 2022

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

  4. 4Episode 4

    75 minFeb 20, 2022

    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.

  5. 5Episode 5

    77 minFeb 26, 2022

    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.

  6. 6Episode 6

    75 minFeb 27, 2022

    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.

  7. 7Episode 7

    73 minMar 5, 2022

    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. 8Episode 8

    73 minMar 6, 2022

    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.

  9. 9Episode 9

    73 minMar 12, 2022

    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.

  10. 10Episode 10

    71 minMar 13, 2022

    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.

  11. 11Episode 11

    77 minMar 19, 2022Now viewing

    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.

  12. 12Episode 12

    75 minMar 20, 2022

    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.

  13. 13Episode 13

    75 minMar 26, 2022

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

  14. 14Episode 14

    79 minMar 27, 2022

    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.

  15. 15Episode 15

    89 minApr 2, 2022

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

  16. 16Episode 16

    90 minApr 3, 2022

    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.

Guest stars

Baek Suk-kwangNa Sung-jin
Ok Joo-riAhyeon Supermarket owner
Ok Ye-rinNa Hee-do (young)
Kyung Da-eunKo Yu-rim (young)
Lee Kyung-ohUBS Network director
Park Jung-pyoYi-jin's maternal uncle
Jung Hyung-sukKim Hak-gyu
Park YoonJung Da-yeong
Cho Min-wookKwon Dung-uk
Shin Yeon-sookHee-do's grandmother
Kim Joon-hyungSanga University coach
Yoon Se-woongSeo Yeong-seong
Cha Yong-hwanHwang Ho-jin
Oh Il-youngCarpenter
Jeon Jun-wooRestaurant host
Park Yu-milUBS Network staff