Nine years.
That is how long Kang Bi-o waited for Choi Jeong-yo.
Then, suddenly, the pianist everyone thought had disappeared returned under a completely different name:
Luca Dominico.
But Jeong-yo did not return as a pianist.
He returned as a conductor.
And when Bi-o finally stood in front of the friend he had spent years searching for, Jeong-yo looked at him like a stranger.
At first, Episode 7 of Four Hands seemed to give us a simple explanation.
Jeong-yo had lost his memory.
But by the end of the episode, the drama revealed something much more interesting.
Jeong-yo remembers.
So why is he pretending that he doesn’t?
Luca Dominico Is Really Choi Jeong-yo
The episode begins with the shocking return viewers had been waiting for.
The winner of an international conducting competition is announced as Luca Dominico.
But people immediately recognize him.
He looks exactly like Choi Jeong-yo, the brilliant pianist who disappeared nine years earlier.
Bi-o recognizes him too.
After spending years searching for Jeong-yo, he rushes after him.
But the reunion he imagined never happens.
Jeong-yo acts as if Bi-o is nobody.
The next day, an explanation emerges: Jeong-yo publicly says that an accident nine years earlier caused him to lose his memories.
For Bi-o, that explanation is painful—but believable.
For the viewer, however, something feels wrong.
Jeong-yo Doesn’t Want His Past to Define His Music
During his interview, Jeong-yo becomes particularly guarded when reporters ask about his past.
He makes his position clear: he doesn’t want his music damaged or overshadowed by questions about who he used to be.
That line matters.
Because Jeong-yo has not simply changed his profession.
He has created an entirely new identity.
Choi Jeong-yo was a pianist.
Luca Dominico is a conductor.
Choi Jeong-yo belonged to Bi-o’s past.
Luca appears determined to control what happens next.
At first, memory loss seems to explain that transformation.
Then Episode 7 destroys that explanation.
Jeong-yo Never Forgot Bi-o
The biggest twist comes near the end.
Jeong-yo returns naturally to the place connected to their childhood memories.
He recognizes the piano where he and Bi-o once played four hands.
He has also been watching Bi-o’s old interview.
And we discover that he knew Bi-o had come looking for him.
Jeong-yo wasn’t unable to recognize Bi-o.
He chose not to recognize him.
That changes almost everything about the episode.
The mystery is no longer:
“Will Jeong-yo recover his memory?”
It becomes:
“Why does Jeong-yo want Bi-o to believe that memory is gone?”
The Answer May Be Hidden in Bi-o’s Interview
Episode 7 gives us an important clue.
Jeong-yo watches an old interview in which Bi-o says that he and Choi Jeong-yo were not particularly close.
That statement clearly affects him.
And from Jeong-yo’s perspective, it is easy to understand why.
The last time these two young men were together, their relationship was far more complicated than a casual friendship.
They were rivals.
Friends.
Musical partners.
Two pianists whose lives had become deeply entangled.
Then Jeong-yo disappeared.
Nine years later, he discovers that Bi-o publicly described their relationship as if it barely mattered.
We still don’t know everything Jeong-yo experienced during those missing years.
But Episode 7 strongly suggests that his coldness toward Bi-o is not caused by forgetting.
It may be caused by remembering too much.
But Why Did Jeong-yo Stop Playing Piano?
Episode 7 finally answers another major mystery.
Jeong-yo did not simply decide that he preferred conducting.
After being shot nine years earlier, he suffered nerve damage connected to his right shoulder and fingers.
The injury left him unable to return to the piano as before.
When speaking with Bi-o, Jeong-yo makes the difference between them painfully clear: Bi-o is struggling with a slump, but Jeong-yo is dealing with a body that can no longer play piano.
That distinction is brutal.
Bi-o still has the instrument.
Jeong-yo lost it.
For someone whose identity had been built around becoming a pianist, conducting may therefore represent more than a new career.
It may be the only way Jeong-yo could remain inside music.
That makes Luca Dominico much more interesting.
He isn’t simply Choi Jeong-yo with another name.
He may be the person Jeong-yo had to create after the life he expected was taken away from him.
Then Why Return to Bi-o at All?
And this is where Episode 7 becomes really clever.
If Jeong-yo truly wanted to erase his past, he could simply stay away from Bi-o.
Instead, he does the opposite.
He joins the Korean Symphony as a guest conductor.
Then he proposes that Bi-o perform with him for his conducting debut.
That doesn’t look like a man trying to escape his past.
It looks like a man deliberately walking back into it.
So perhaps the memory-loss lie isn’t designed to keep Bi-o away forever.
Perhaps it gives Jeong-yo control over their reunion.
Bi-o remembers their old relationship.
Jeong-yo remembers it too.
But only Jeong-yo knows that they are both remembering.
That gives him an enormous advantage.
And Bi-o Is Investigating the Wrong Mystery
Meanwhile, Bi-o is looking backward for a different reason.
He still wants to know who was responsible for Jeong-yo’s kidnapping nine years ago.
His suspicions are increasingly turning toward his own mother, Kang Ji-hye, whose reaction to Jeong-yo’s return is anything but normal.
Bi-o eventually asks investigator Martin Vogel to look secretly into who ordered Jeong-yo’s kidnapping.
So Episode 7 is now running two mysteries at the same time.
Bi-o is asking:
Who destroyed Jeong-yo’s life nine years ago?
The audience is asking:
What is Jeong-yo planning now?
And Jeong-yo may already know the answers to both.
The Most Interesting Question Isn’t Whether Jeong-yo Wants Revenge
Revenge is an obvious possibility.
He was kidnapped.
He was shot.
He lost the ability to play piano.
He disappeared for nine years.
Someone effectively stole the future he expected to have.
But I don’t think Episode 7 gives us enough evidence yet to say that revenge is his only goal.
His feelings toward Bi-o seem especially complicated.
If he simply hated Bi-o, why ask him to perform?
If he truly wanted nothing to do with the past, why return to the places they shared?
And if the old interview meant nothing to him, why keep watching it?
There may be anger here.
But there may also be hurt.
Jealousy.
Disappointment.
Attachment.
And perhaps even a desire to know whether the person he once cared about still remembers their relationship the same way.
That’s much more interesting than simple revenge.
“Luca Dominico” May Be Jeong-yo’s Armor
That is why the new name fascinates me.
Choi Jeong-yo was the young pianist who trusted people.
He was kidnapped.
Shot.
And lost his piano.
Luca Dominico arrives nine years later as a successful conductor who controls what other people are allowed to know about him.
Maybe Luca isn’t a replacement for Jeong-yo.
Maybe Luca is the armor Jeong-yo built around himself.
And Bi-o may be dangerous precisely because he remembers the person underneath it.
Episode 7 Changes the Entire Question
Before this episode, the big mystery was:
Where has Choi Jeong-yo been for nine years?
After Episode 7, I think the better question is:
Why has he chosen this exact moment to return?
He remembers Bi-o.
He remembers their piano.
He remembers their past.
He knows what Bi-o said about him.
And despite pretending otherwise, he deliberately asks Bi-o to stand beside him onstage again.
That doesn’t feel accidental.
Jeong-yo didn’t simply come back.
He came back with a plan.
And whatever that plan is, Kang Bi-o appears to be at the center of it.
Jeong-yo’s apparent memory loss raises questions about what he remembers and what he wants to hide. His new identity as Luca Dominico adds another layer to that mystery. Explore what may have happened during Jeong-yo’s missing nine years.