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.
Today Is Your Only Chance to CryLee 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
E2
Crown Prince in Great AgonyYul 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
E3
Your Name Is Won DeukYul 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
E4
The Newlywed Couple in DebtJung 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?
E5
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.
Do You Know How Much I Missed You?
E6
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.
Stay with Me
E7
Stay with MeWitnessing 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
E8
You Are Not Won DeukWon-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
E9
Everything I Told about You Is Not TrueJe-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
E10
They Say His Highness Is AliveWith 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
E11
Vice-Premier Kim Is MissingThe 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
E12
The Return of the Crown PrinceCha-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
E13
Demand from Ming’s EnvoyHong-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
E14
We Must Solve the RiddleWon-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
E15
Evidence of Vice-Premier’s Evil DeedsHaving 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
E16
The End of War between Crown Prince and Vice-PremierCha-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.
Cast of Season 1
Doh Kyung-sooCrown Prince Lee Yool / Won-deuk
Nam Ji-hyunHong-sim / Yoon Yi-seo
Cho Seong-haKim Cha-eon
Jo Han-chulKing
Oh Yeon-ahQueen Park
Ji Min-hyukPrince Seo-won
Kim Seon-hoJung Je-yoon
Jung Hae-kyunHong-sim's Stepfather
Han So-heeKim So-hye
Heo Jung-minKim Soo-Ji
Kim Jae-youngMoo-yeon
Jo Hyun-sikEunuch Yang
Ahn Suk-hwanLord Park Sun-do
Kim Ki-dooGoo-dol
Lee Min-jiKkeut-Nyeo
Lee Jun-hyeokPark Bok-eun
Jung Ji-hoonYoung Lee Yool
Heo Jung-eunYoung Hong-sim / Yoon Yi-seo
Jeong Joon-wonYoung Yoon Seok-ha
Do Ji-hanDong-joo
Take Plex everywhere
Watch free anytime, anywhere, on almost any device.
