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Season 1

100 Days My Prince

Season 1

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September 10, 2018 (8 years ago)

16 episodes

6.9/10

A prince is the victim of an attempted assassination. He falls off a cliff and subsequently wanders for 100 days under a new name and personality. During that time he meets the head of a prominent detective agency.

Key Crew

Director

Lee Jong-jae

Writer

Noh Ji-sul

Today Is Your Only Chance to Cry

Today Is Your Only Chance to Cry

September 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.

Crown Prince in Great Agony

Crown Prince in Great Agony

September 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.

Your Name Is Won Deuk

Your Name Is Won Deuk

September 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.

The Newlywed Couple in Debt

The Newlywed Couple in Debt

September 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.

Do You Not Consider Me Your Daughter Anymore?

Do You Not Consider Me Your Daughter Anymore?

September 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.

Do You Know How Much I Missed You?

Do You Know How Much I Missed You?

September 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.

Stay with Me

Stay with Me

October 1, 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.

You Are Not Won Deuk

You Are Not Won Deuk

October 2, 2018

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

October 8, 2018

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

They Say His Highness Is Alive

October 9, 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.

Vice-Premier Kim Is Missing

Vice-Premier Kim Is Missing

October 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.

The Return of the Crown Prince

The Return of the Crown Prince

October 16, 2018

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

Demand from Ming’s Envoy

October 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.

We Must Solve the Riddle

We Must Solve the Riddle

October 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.

Evidence of Vice-Premier’s Evil Deeds

Evidence of Vice-Premier’s Evil Deeds

October 29, 2018

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

The End of War between Crown Prince and Vice-Premier

October 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.