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100 Days My Prince

100 Days My Prince

I will marry you someday.

TV-142018•1h 15m•7.9/10
ComedyDramaMystery

Ratings

🎬TMDb
7.9/10(171)

Lee Yool falls off a cliff and nearly dies in an attempted assassination. He loses his memory, and wanders for 100 days under a new name and personality. During this period, he meets Hong Sim, head of the first detective agency in Joseon.

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Production

AStory, Studio Dragon

Language

KO

Status

Ended

First Aired

September 10, 2018

Last Aired

October 30, 2018

Networks

tvN

Created By

So Jae-hyun, Lee Jong-jae

Trailers & Videos

Where to Watch
Region US · Lang EN
US
No providers available for this region.
Seasons & Episodes
Select a season to view episodes. Reddit links may contain spoilers.
Season
Today Is Your Only Chance to Cry
E1
Today Is Your Only Chance to Cry
Air date: 2018-09-10
Lee Yul begins a secret investigation after growing suspicious of his worsening health. Yeon Hong-sim returns to Hanyang in search of her brother.
Crown Prince in Great Agony
E2
Crown Prince in Great Agony
Air date: 2018-09-11
Yul uncovers the mastermind's identity and Kim So-hye's secret before coming under attack in the forest. Hong-sim is punished for refusing to wed.
Your Name Is Won Deuk
E3
Your Name Is Won Deuk
Air date: 2018-09-17
Yul loses all memory, but gains a new identity as Na Won-deuk. Hong-sim begrudgingly chooses to become a wife to avoid life as a concubine.
The Newlywed Couple in Debt
E4
The Newlywed Couple in Debt
Air date: 2018-09-18
Jung Je-yun searches for a link between the royal physician's murder and Yul's disappearance. Hong-sim puts Won-deuk to work to repay his debt.
Do You Not Consider Me Your Daughter Anymore?
E5
Do You Not Consider Me Your Daughter Anymore?
Air date: 2018-09-24
News of the crown prince's passing is made public. Hong-sim is delighted to learn of Won-deuk's ability to read and write.
Do You Know How Much I Missed You?
E6
Do You Know How Much I Missed You?
Air date: 2018-09-25
Hong-sim's reunion with her brother doesn't go as expected. Eunuch Yang notices something off about the crown prince's dead body.
Stay with Me
E7
Stay with Me
Air date: 2018-10-01
Witnessing Won-deuk's martial arts skills, Hong-sim gets curious about his real identity. News of the queen's talisman sparks protest and debate.
You Are Not Won Deuk
E8
You Are Not Won Deuk
Air date: 2018-10-02
Won-deuk celebrates an unforgettable birthday. Mu-yeon completes his final task for Kim Cha-eon and prepares to leave with Hong-sim.
Everything I Told about You Is Not True
E9
Everything I Told about You Is Not True
Air date: 2018-10-08
Je-yun reunites with Hong-sim as the new county governor. To recover his memory, Won-deuk visits Hanyang and enters palace walls.
They Say His Highness Is Alive
E10
They Say His Highness Is Alive
Air date: 2018-10-09
With Hong-sim and Won-deuk's help, Je-yun concocts a plan to get in Park Seon-do's good graces. Rumors swirl about the crown prince being alive.
Vice-Premier Kim Is Missing
E11
Vice-Premier Kim Is Missing
Air date: 2018-10-15
The king tries to regain control of his throne. Hong-sim and Won-deuk settle their affairs prior to leaving. Je-yun sees Yul in Won-deok.
The Return of the Crown Prince
E12
The Return of the Crown Prince
Air date: 2018-10-16
Cha-eon interrupts the coronation ceremony with a shocking announcement. Yul has trouble moving on from his memories with Hong-sim.
Demand from Ming’s Envoy
E13
Demand from Ming’s Envoy
Air date: 2018-10-22
Hong-sim searches for Mu-yeon in Hanyang with her father and Je-yun in tow. Yul's competency is tested by a visiting envoy.
We Must Solve the Riddle
E14
We Must Solve the Riddle
Air date: 2018-10-23
Won-deuk and Hong-sim reconnect as Yul and Yoon I-seo. Je-yun assists Yul in his quest to find his diary — and answers.
Evidence of Vice-Premier’s Evil Deeds
E15
Evidence of Vice-Premier’s Evil Deeds
Air date: 2018-10-29
Having regained his memory, Yul seeks revenge on a killer in his midst. Cha-eon plans bloodshed to achieve his goals.
The End of War between Crown Prince and Vice-Premier
E16
The End of War between Crown Prince and Vice-Premier
Air date: 2018-10-30
Cha-eon leaves behind his final wish. Moved by the king's hopes and Je-yun's plan, Yul makes good on his promise to I-seo.

Cast

Doh Kyung-soo

Doh Kyung-soo

Crown Prince Lee Yool / Won-deuk

Nam Ji-hyun

Nam Ji-hyun

Hong-sim / Yoon Yi-seo

Cho Seong-ha

Cho Seong-ha

Kim Cha-eon

Cho Han-cheul

Cho Han-cheul

King

Oh Yeon-ah

Oh Yeon-ah

Queen Park

Ji Min-hyuk

Ji Min-hyuk

Prince Seo-won

Kim Seon-ho

Kim Seon-ho

Jung Je-yoon

Jung Hae-kyun

Jung Hae-kyun

Hong-sim's Stepfather

Han So-hee

Han So-hee

Kim So-hye

Heo Jung-min

Heo Jung-min

Kim Soo-Ji

Kim Jae-young

Kim Jae-young

Moo-yeon

Jo Hyun-sik

Jo Hyun-sik

Eunuch Yang

Ahn Suk-hwan

Ahn Suk-hwan

Lord Park Sun-do

Kim Ki-doo

Kim Ki-doo

Goo-dol

Lee Min-ji

Lee Min-ji

Kkeut-Nyeo

Lee Jun-hyeok

Lee Jun-hyeok

Park Bok-eun

Jung Ji-hoon

Jung Ji-hoon

Young Lee Yool

Heo Jung-eun

Heo Jung-eun

Young Hong-sim / Yoon Yi-seo

Jeong Joon-won

Jeong Joon-won

Young Yoon Seok-ha

Do Ji-han

Do Ji-han

Dong-joo

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