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.

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-sim returns to Hanyang in search of her brother. Air Date : 10th-Sep-2018  Read More

Season 1 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 forest. Hong-sim is punished for refusing to wed. Air Date : 11th-Sep-2018  Read More

Season 1 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 become a wife to avoid life as a concubine. Air Date : 17th-Sep-2018  Read More

Season 1 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-sim puts Won-deuk to work to repay his debt. Air Date : 18th-Sep-2018  Read More

Season 1 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 ability to read and write. Air Date : 24th-Sep-2018  Read More

Season 1 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 the crown prince's dead body. Air Date : 25th-Sep-2018  Read More

Season 1 Episode 7 - Stay with Me

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. Air Date : 1st-Oct-2018  Read More

Season 1 Episode 8 - You Are Not Won Deuk

Won-deuk celebrates an unforgettable birthday. Mu-yeon completes his final task for Kim Cha-eon and prepares to leave with Hong-sim. Air Date : 2nd-Oct-2018  Read More

Season 1 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 Hanyang and enters palace walls. Air Date : 8th-Oct-2018  Read More

Season 1 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. Rumors swirl about the crown prince being alive. Air Date : 9th-Oct-2018  Read More

Season 1 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 leaving. Je-yun sees Yul in Won-deok. Air Date : 15th-Oct-2018  Read More

Season 1 Episode 12 - The Return of the Crown Prince

Cha-eon interrupts the coronation ceremony with a shocking announcement. Yul has trouble moving on from his memories with Hong-sim. Air Date : 16th-Oct-2018  Read More

Season 1 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 tested by a visiting envoy. Air Date : 22nd-Oct-2018  Read More

Season 1 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 diary — and answers. Air Date : 23rd-Oct-2018  Read More

Season 1 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 achieve his goals. Air Date : 29th-Oct-2018  Read More

Season 1 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 his promise to I-seo. Air Date : 30th-Oct-2018  Read More