Key takeaways
- Episode 3 of Dive Into You reunites the twins with the awards ceremony where their first love was killed, introducing a mysterious helmeted stalker.
- Yoon Ha Na must survive the red carpet while identifying the stalker, while her brother Yoon Ha Ru confronts a suspect in the venue.
- The twins face the consequences of their previous attempt to save Jung Woo Jae, who vanished instead of becoming a bodyguard.
“Dive Into You” returns with its third episode on October 3, bringing the twin protagonists back to the night that set their entire mission in motion. This week, they confront not only the culprit who killed their first love but also the consequences of their own attempt to rewrite the past.
A Drama Built on Second Chances
“Dive Into You” centers on an unusual fantasy premise: body-swapping and time travel. WJSN member Kim Ji Yeon (credited as Bona) plays Yoon Ha Na, an A-list actress whose life intersects with her twin brother Yoon Ha Ru when they unexpectedly exchange bodies. The discovery of an old camcorder offers them something far more valuable than a way to undo their swap. It becomes a window to the past, allowing the twins to travel backward in time and attempt to rewrite events that seemed fixed and final.
Their target is Jung Woo Jae, portrayed by Park Seo Ham. He was Yoon Ha Na’s first love, and his death haunts her. With knowledge of his impending fate and the means to revisit the past, the siblings believe they can save him. Jang Se Hyuk rounds out the core cast as Yoon Ha Ru, the brother determined to protect his sister by any means necessary.

Where Episode Two Left Off
The second episode established a painful irony. After realizing that time travel allowed them to alter the future, Yoon Ha Na and Yoon Ha Ru acted to intercept Jung Woo Jae before his death. Their intervention changed the timeline, but not in the way they hoped. Instead of becoming Yoon Ha Na’s bodyguard as events originally unfolded, Jung Woo Jae simply disappeared. The twins prevented his death at the awards ceremony, but their action triggered his disappearance instead. Now they have no idea where he is or how to find him.
The Third Episode Challenge
Returning to the Crime Scene
Episode three forces the twins to revisit the awards ceremony from which Jung Woo Jae vanished in their altered timeline. This time, they carry more than memories. They know an attack is coming, they know a stalker exists somewhere among the guests, and they know that finding Jung Woo Jae remains unfinished business. According to newly released preview stills, Yoon Ha Na appears on the red carpet with heightened vigilance, her eyes moving across the crowd around her, aware of the threat approaching.
The Mystery of the Masked Figure
Among the ceremony attendees, a figure emerges whose identity is shielded. A helmet obscures their face, making them either the stalker directly or possibly someone connected to the broader conspiracy. Yoon Ha Ru stations himself in the shadows at the venue’s perimeter, his posture tense with readiness. He spots someone he believes to be the stalker and engages them in a physical confrontation. Whether this person is actually the culprit or whether Yoon Ha Ru has merely engaged a red herring shapes the episode’s outcome.
Yoon Ha Na’s Exposure
Yoon Ha Ru can retreat into darkness and fight unseen, but Yoon Ha Na cannot. As a public actress attending a major industry event, she must remain on the red carpet and in plain sight, even as she knows danger is present. She must perform normalcy, identify threats, locate a missing person, and survive an imminent attack without alerting anyone around her or compromising her safety.
The Unresolved Questions
The episode centers on three interrelated mysteries. Who among the ceremony crowd is the stalker responsible for the original attack on Jung Woo Jae? Is the person Yoon Ha Ru fights in the venue actually that culprit, or is he chasing a false trail? And most pressingly, where has Jung Woo Jae gone in this altered timeline, and can the twins locate him before the ceremony concludes? Each answer affects the others.
Watching Dive Into You
The first two episodes of “Dive Into You” are available with English subtitles on Viki. The third episode will premiere on the same platform on October 3 at 10:40 p.m. KST, continuing the twins’ race against fate.
Source: Soompi
Frequently Asked Questions
When does Episode 3 of Dive Into You air?
Episode 3 airs on October 3 at 10:40 p.m. KST on Viki.
What is the body-swap premise of Dive Into You?
WJSN's Kim Ji Yeon plays Yoon Ha Na, an actress who swaps bodies with her twin brother Yoon Ha Ru. They discover an old camcorder that allows them to travel back in time to save their first love, Jung Woo Jae.
What went wrong in Episode 2 of Dive Into You?
When the twins tried to save Jung Woo Jae's life by altering the past, they prevented him from becoming Yoon Ha Na's bodyguard. Instead, he disappeared entirely.