100 Days My Prince

2018

100 Days My Prince

7.8 | TV-14 | en | Drama

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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Seasons & Episodes

EP16 The End of War between Crown Prince and Vice-Premier

Oct. 30,2018

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.

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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.

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EP15 Evidence of Vice-Premier’s Evil Deeds

Oct. 29,2018

Having regained his memory, Yul seeks revenge on a killer in his midst. Cha-eon plans bloodshed to achieve his goals.

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Having regained his memory, Yul seeks revenge on a killer in his midst. Cha-eon plans bloodshed to achieve his goals.

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EP14 We Must Solve the Riddle

Oct. 23,2018

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.

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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.

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EP13 Demand from Ming’s Envoy

Oct. 22,2018

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.

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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.

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EP12 The Return of the Crown Prince

Oct. 16,2018

Cha-eon interrupts the coronation ceremony with a shocking announcement. Yul has trouble moving on from his memories with Hong-sim.

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Cha-eon interrupts the coronation ceremony with a shocking announcement. Yul has trouble moving on from his memories with Hong-sim.

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EP11 Vice-Premier Kim Is Missing

Oct. 15,2018

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.

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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.

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EP10 They Say His Highness Is Alive

Oct. 09,2018

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.

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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.

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EP9 Everything I Told about You Is Not True

Oct. 08,2018

Je-yun reunites with Hong-sim as the new county governor. To recover his memory, Won-deuk visits Hanyang and enters palace walls.

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Je-yun reunites with Hong-sim as the new county governor. To recover his memory, Won-deuk visits Hanyang and enters palace walls.

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EP8 You Are Not Won Deuk

Oct. 02,2018

Won-deuk celebrates an unforgettable birthday. Mu-yeon completes his final task for Kim Cha-eon and prepares to leave with Hong-sim.

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Won-deuk celebrates an unforgettable birthday. Mu-yeon completes his final task for Kim Cha-eon and prepares to leave with Hong-sim.

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EP7 Stay with Me

Oct. 01,2018

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.

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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.

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EP6 Do You Know How Much I Missed You?

Sep. 25,2018

Hong-sim's reunion with her brother doesn't go as expected. Eunuch Yang notices something off about the crown prince's dead body.

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Hong-sim's reunion with her brother doesn't go as expected. Eunuch Yang notices something off about the crown prince's dead body.

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EP5 Do You Not Consider Me Your Daughter Anymore?

Sep. 24,2018

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.

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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.

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EP4 The Newlywed Couple in Debt

Sep. 18,2018

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.

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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.

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EP3 Your Name Is Won Deuk

Sep. 17,2018

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.

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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.

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EP2 Crown Prince in Great Agony

Sep. 11,2018

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.

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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.

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EP1 Today Is Your Only Chance to Cry

Sep. 10,2018

Lee Yul begins a secret investigation after growing suspicious of his worsening health. Yeon Hong-sim returns to Hanyang in search of her brother.

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Lee Yul begins a secret investigation after growing suspicious of his worsening health. Yeon Hong-sim returns to Hanyang in search of her brother.

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7.8 | TV-14 | en | Drama , Comedy , Mystery

Synopsis

Cast

Doh Kyung-soo , Nam Ji-hyun , Cho Seong-ha

Director

Lee Jong-jae

Producted By

Studio Dragon , AStory

Trailers

Cast

Doh Kyung-soo

as Crown Prince Lee Yool / Won-deuk

[2019] A Dog's Courage [2018] Along with the Gods: The Last 49 Days [2018] 100 Days My Prince [2018] EXO's Travel the World on a Ladder [2018] Swing Kids [2017] Along with the Gods: The Two Worlds

Nam Ji-hyun

as Hong-sim / Yoon Yi-seo

[2021] The Witch's Diner [2021] Off The Course [2020] 365: Repeat the Year [2018] 100 Days My Prince [2014] Angel Eyes [2012] To the Beautiful You [2012] Little Girl Detective [2009] Will It Snow For Christmas? [2009] If You Were Me 4

Cho Seong-ha

as Kim Cha-eon

[2022] Serve the People [2022] Good Deal [2020] Time to Hunt [2020] Delayed Justice [2020] Memorist [2019] Arthdal Chronicles [2018] 100 Days My Prince [2014] The Suspect [2013] Commitment