From the moment our heroine, Seon‑chaek, is kidnapped to the heart‑rattling choices made by princes and scheming nobles, Episodes 9 and 10 of The First Night with the Duke deliver a whirlwind of twists. Even if you’ve binge‑watched for the transmigration trope, this pair of episodes shifts into high gear, raising stakes, unraveling secrets, and testing loyalties.
In this in‑depth breakdown, we’ll explore every dagger‑sharp betrayal, every tender glance, and all the narrative gears clanking behind the drama’s royal machinations. Whether you’re an isekai addict or a sageuk traditionalist, you’ll find fresh insights here—and perhaps a few plot puzzles that demand solving.

TL;DR:
- Seon-chaek kidnapped, makes daring escape with Yi Beon’s help.
- Yi Beon’s trauma and the king’s paranoia are key conflicts.
- Eun-ae becomes a ruthless, manipulative villain.
- Yi Gyu emerges as a cunning political schemer.
- Secret wedding, but danger looms with ambushes and betrayals.
- Transmigration trope is present but underutilized.
- Strong character development and engaging political intrigue.
1. A Daring Escape and the Drums of Doom

First things first: Seon‑chaek’s abduction. Cut to her bound hands. No backup. Just a ginseng digger’s shaky testimony about a suspicious palanquin. It’s do or die—and she chooses do.
- Resourceful heroine: Against all odds, she frees herself, stabs her captor, and sprints for help.
- Drum signal: Grabbing a ceremonial drum, she summons Yi Beon—but so does the kidnapper’s hunt.
- Prince to the rescue: Sword in hand, Yi Beon bursts in, threatening gruesome justice. Seon‑chaek’s mercy wins the day—her kidnapper lives to confess another day.
Rather than a one‑and‑done kidnapping trope, this scene underscores Seon‑chaek’s grit. Plus, it cements Yi Beon’s fierce devotion—he’d rather face the king’s wrath than see her in danger.
2. A Toast, a Challenge, and Sleepless Nights

Back at home, gratitude flows as freely as soju:
Seon‑chaek’s father offers Yi Beon permission to wed his daughter—if the prince can outdrink him.
Of course, Yi Beon wins. But then reality bites: nightmares of his wife slain because of his power. Seon‑chaek soothes him, yet trauma lingers. Suddenly, overthrowing a king and battling barbarians doesn’t feel like a side quest—it’s life or death.
As the drama stirs its next pot, seeds of deeper conflicts start to sprout.
3. Savior Complex vs. Dark Allegiances

Our modern heroine vows to save her “obsessive tyrant.” She wants to cleanse Yi Beon’s bloodstained hands. Noble, yes—but also fraught with peril:
- Misread motives: Yi Beon kills only under orders, not for pleasure.
- Real enemy: The king’s paranoia, not Yi Beon’s sword.
- Plot armor gamble: How can Seon‑chaek’s outsider savvy alter destiny without ancient foreshadowing?
This section highlights a nagging question: if the original web novel didn’t reveal a fail‑safe against the king, why does Seon‑chaek believe she can rewrite fate? The writers flirt with self‑aware drama but seldom deliver on its time‑travel promise.
4. Eun‑ae: From Red Herring to Ruthless Villainess

Earlier, you might have cheered when Hwa‑seon appeared shady—and then blamed her for Seon‑chaek’s fall into a pond. Classic. But true villainy blooms in Eun‑ae:
- Forgery and frame‑ups: Staged handwriting practice, kidnapped heroine.
- Double‑cross madness: Pretend friend, then drive a knife home.
- Sibling scandal: Soo‑gyeom’s heartbreak when he uncovers her plot.
Eun‑ae’s machinations escalate the tension—and she’s not above murder. Yet her cold indifference at Soo‑gyeom’s plea adds chilling depth. She’s a reminder that power lust wears many faces.
5. Ooze‑Prince Yi Gyu and Web of Secrets

Enter Yi Gyu: exiled heir, charming interloper. Beneath puppy‑dog eyes lurks a viper:
Yi Gyu’s alliance offer: conceal bodies, whisper poison in court.
He manipulates Seon‑chaek’s empathy and Yi Beon’s honor. Rumors fly—blood on a sleeve, suspicious glances—while the real marionettist hides behind silk and courtesy.
The rivalry of princes isn’t just battlefield blades—it’s whispered rumors that cut deeper.
6. Trust, Betrayal, and a King’s Ultimatum

With Eun‑ae in custody, Yi Beon has leverage—but he hesitates. He knows killing another to prove loyalty is savage. Meanwhile, Yi Gyu poisons the king’s mind:
- Political chess: Yi Gyu kills the exiled prime minister to curry favor.
- Blame game: Soo‑gyeom’s lineage revealed; the Heuksa Clan lurks in shadow.
- Knife’s edge: Yi Beon awaits the king’s verdict—and faces exile to the barbarian frontier.
Transitioning from palace intrigue to battlefield exile, the drama underscores how fragile life is when royalty dances under a mad king’s gaze.
7. Private Vows, Public Pain

Before departure, a secret wedding. Two hearts, whispered promises—and then a comical patriarchal protest as Seon‑chaek’s father insists on moving in. Comedy meets tragedy in one breath.
Cliffhanger moments:
- Seon‑chaek faints over a real‑world charm.
- Eun‑ae is released.
- Yi Beon is ambushed en route to war.
8. Transmigration Trope: Underused or Overrated?
This drama’s tagline is a woman from our world dropped into Joseon’s brutality—but after Episode 2, the isekai sheen fades. Sure, Seon‑chaek cracks quips, but so did earlier sageuk heroines. The unique hook feels dormant.
Insight: When time‑travel stops altering plot mechanics, it becomes mere window dressing. Scripts risk betraying their own premise—readers and viewers sense that.
9. Character Arcs: Growth and Gripes

- Seon‑chaek: From feisty outsider to strategic player. She learns the art of subtle influence…though sometimes she overestimates her sway.
- Yi Beon: The reluctant hunter becomes a man torn between honor and love. His nightmares lend genuine weight to his stoicism.
- Yi Gyu: A textbook antihero. His charisma masks ambition, inviting both loathing and grudging respect.
Despite occasional pacing lags, these arcs ground the story’s fantastical elements in believable emotion.
10. Writing, Pacing, and Production Notes
- Dialogue: Snappy, albeit occasionally expository.
- Editing: Action scenes flow well; political exposition drags mid‑episode.
- Cinematography: Lush landscapes and palace interiors ache with detail. Costumes shine, but occasionally overshadow character moments.
Future episodes should tighten court scenes and lean into character interplay to maintain momentum.
My Take
Frankly, The First Night with the Duke teases an epic blend of isekai and sageuk but often plays it safe. Episodes 9 and 10 shine in their character moments—Seon‑chaek’s daring escape and Yi Beon’s vulnerability hit home. Yet, the show’s greatest asset, its transmigration twist, feels undercooked. I wanted more world‑hopping logic, fewer recycled palace power plays.
Still, Eun‑ae’s turn as mastermind villainess and Yi Gyu’s sly politics kept me glued to the screen. If the final episodes commit to sharper pacing and deliver on the isekai promise, this could cement itself as a genre‑bending classic.
Final Verdict
Aspect | Rating (★ out of 5) |
---|---|
Acting | ★★★★☆ |
Storytelling | ★★★☆☆ |
Use of Transmigration | ★★☆☆☆ |
Character Development | ★★★★☆ |
Production Design | ★★★★☆ |
Overall Enjoyment | ★★★★☆ |
Overall: ★★★★☆
Despite some underutilized premises, Episodes 9 and 10 deliver thrilling rescues, shocking betrayals, and enough political intrigue to warrant tuning in for the finale. Bring on the showdown!