100 Days My Prince
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.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.
Seasons & Episodes
Season 1
Episode 1: Today Is Your Only Chance to Cry
Lee Yul begins a secret investigation after growing suspicious of his worsening health. Yeon Hong-si...
Episode 2: Crown Prince in Great Agony
Yul uncovers the mastermind's identity and Kim So-hye's secret before coming under attack in the for...
Episode 3: Your Name Is Won Deuk
Yul loses all memory, but gains a new identity as Na Won-deuk. Hong-sim begrudgingly chooses to beco...
Episode 4: The Newlywed Couple in Debt
Jung Je-yun searches for a link between the royal physician's murder and Yul's disappearance. Hong-s...
Episode 5: Do You Not Consider Me Your Daughter Anymore?
News of the crown prince's passing is made public. Hong-sim is delighted to learn of Won-deuk's abil...
Episode 6: Do You Know How Much I Missed You?
Hong-sim's reunion with her brother doesn't go as expected. Eunuch Yang notices something off about ...
Episode 7: Stay with Me
Witnessing Won-deuk's martial arts skills, Hong-sim gets curious about his real identity. News of th...
Episode 8: You Are Not Won Deuk
Won-deuk celebrates an unforgettable birthday. Mu-yeon completes his final task for Kim Cha-eon and ...
Episode 9: Everything I Told about You Is Not True
Je-yun reunites with Hong-sim as the new county governor. To recover his memory, Won-deuk visits Han...
Episode 10: They Say His Highness Is Alive
With Hong-sim and Won-deuk's help, Je-yun concocts a plan to get in Park Seon-do's good graces. Rumo...
Episode 11: Vice-Premier Kim Is Missing
The king tries to regain control of his throne. Hong-sim and Won-deuk settle their affairs prior to ...
Episode 12: The Return of the Crown Prince
Cha-eon interrupts the coronation ceremony with a shocking announcement. Yul has trouble moving on f...
Episode 13: Demand from Ming’s Envoy
Hong-sim searches for Mu-yeon in Hanyang with her father and Je-yun in tow. Yul's competency is test...
Episode 14: We Must Solve the Riddle
Won-deuk and Hong-sim reconnect as Yul and Yoon I-seo. Je-yun assists Yul in his quest to find his d...
Episode 15: Evidence of Vice-Premier’s Evil Deeds
Having regained his memory, Yul seeks revenge on a killer in his midst. Cha-eon plans bloodshed to a...
Episode 16: The End of War between Crown Prince and Vice-Premier
Cha-eon leaves behind his final wish. Moved by the king's hopes and Je-yun's plan, Yul makes good on...