100 Days My Prince

Overview
After surviving a cliff fall during an assassination attempt, Lee Yool wakes up with no memory of his past. Embracing a new identity, he roams the countryside for 100 days, unaware of his royal heritage. Along the way, he encounters Hong Sim, the determined leader of Joseon’s first detective agency. Their unexpected partnership leads to thrilling investigations and deepening connections, all while Lee Yool grapples with reclaiming his lost past. A captivating blend of romance and mystery unfolds as they navigate challenges in a vibrant historical setting.
Episodes
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1

Today Is Your Only Chance to Cry
Lee Yul embarks on a covert investigation as he becomes increasingly concerned about his declining health. Meanwhile, Yeon Hong-sim makes her way bac...
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2

Crown Prince in Great Agony
Yul discovers the true identity of the villain behind the chaos and learns Kim So-hye's hidden truth. However, his revelations lead to a dangerous amb...
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3

Your Name Is Won Deuk
Yul finds himself stripped of his memories, adopting the new persona of Na Won-deuk. Meanwhile, Hong-sim reluctantly decides to marry, believing it to...
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4

The Newlywed Couple in Debt
Jung Je-yun investigates a connection between the assassination of the royal doctor and Yul's vanishing. Meanwhile, Hong-sim assigns various tasks to...
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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 ability to read and write.
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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 the crown prince's dead body.
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7

Stay with Me
After observing Won-deuk's impressive martial arts abilities, Hong-sim becomes intrigued by his true identity. Meanwhile, the revelation of the queen...
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8

You Are Not Won Deuk
Won-deuk enjoys a memorable birthday celebration filled with joy and surprises. Meanwhile, Mu-yeon wraps up his last assignment for Kim Cha-eon and ma...
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9

Everything I Told about You Is Not True
Je-yun meets up with Hong-sim, who has taken on the role of the new county governor. Meanwhile, in an effort to regain his lost memories, Won-deuk jou...
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10

They Say His Highness Is Alive
Je-yun devises a strategy to win over Park Seon-do, with the assistance of Hong-sim and Won-deuk. As they navigate their plan, whispers circulate rega...
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11

Vice-Premier Kim Is Missing
The king makes a desperate attempt to reassert his authority over the kingdom. Meanwhile, Hong-sim and Won-deuk prepare to tie up loose ends before th...
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12

The Return of the Crown Prince
During the coronation ceremony, Cha-eon makes a startling revelation that disrupts the proceedings. Meanwhile, Yul struggles to let go of his past exp...
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13

Demand from Ming’s Envoy
Hong-sim, accompanied by her father and Je-yun, embarks on a quest to locate Mu-yeon in Hanyang. Meanwhile, Yul faces a challenge as he must prove his...
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14

We Must Solve the Riddle
Won-deuk and Hong-sim reunite under their new identities, Yul and Yoon I-seo. Meanwhile, Je-yun lends a hand to Yul in his search for his missing diar...
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15

Evidence of Vice-Premier’s Evil Deeds
With his memory restored, Yul embarks on a quest for vengeance against a murderer lurking nearby. Meanwhile, Cha-eon devises a plan that involves vio...
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16

The End of War between Crown Prince and Vice-Premier
Cha-eon expresses his last desire, prompting a wave of emotions. Inspired by the king's aspirations and Je-yun's strategy, Yul fulfills his commitment...