No Tail to Tell Episode 4 leaves its main characters in a completely transformed reality. After a dangerous rescue goes wrong, the powerful nine-tailed fox Eun-ho loses her immortality and magical abilities, becoming fully human. At the same time, soccer player Si-yeol remains trapped in his friend’s swapped life, unable to fix the mess he created. This pivotal episode shifts the K-drama from a supernatural fantasy to a story of survival and partnership, stripping away the characters’ former advantages and forcing them to rely on each other.
The Life Swap and a Broken Promise
The fourth episode, which has a runtime of 70 minutes, deals with the immediate fallout from Si-yeol’s ill-advised wish. He is now living the life of his friend, Woo-seok, including having to play on a low-ranking soccer team for a determined coach named Yong-gil . Desperate to return to his own life, Si-yeol tracks down the real Woo-seok, who is now a star athlete living a lavish life in London .
Si-yeol explains that they must make another wish with Eun-ho to reverse the swap. However, Woo-seok, who is finally living his dream, asks for a one-month delay before switching back . This betrayal leaves Si-yeol stuck, facing the harsh reality of the life he once took for granted.
Eun-ho’s Costly Rescue and a Mysterious Blade
Feeling trapped and sorry for his actions, Si-yeol begs Eun-ho to undo the life swap. She agrees to fix things the next day, seeing it as a chance to teach him a lasting lesson . Before she can act, however, Si-yeol is targeted by dangerous men linked to a past client. Lee Yoon, a vengeful chaebol heir she once worked for, teams up with a mysterious man named Jang Doo-chul .
This man provides Lee Yoon with a powerful talisman and a special, ancient blade. This weapon is not ordinary; it was originally forged for Eun-ho’s sister centuries ago and has the power to kill a nine-tailed fox . They kidnap Si-yeol, using him as bait to lure Eun-ho into a trap.
Eun-ho shows up to save Si-yeol, but Lee Yoon stabs her with the magical blade. While she manages to fight back and escape with Si-yeol, the injury has catastrophic consequences .
The Fall: Eun-ho Becomes Human
In the aftermath of the attack, Eun-ho collapses in Si-yeol’s arms. She uses the last of her energy to heal a fatal injury Si-yeol sustained, an act that breaks a fundamental rule of her existence . When she finally wakes up, she makes a terrifying discovery: she has lost all of her supernatural powers and has become completely human.
This transformation is a disaster for both characters. Eun-ho, who has lived for centuries fearing human fragility, is now vulnerable to sickness, hunger, and aging. For Si-yeol, it means there is no one with the power to reverse the life swap with Woo-seok. They are both stranded, with no easy magical solution to their problems.
A New Partnership Forged in Crisis
With her immortality gone, Eun-ho struggles with basic human needs. In a telling moment at a restaurant, she is so weak and exhausted that she cannot lift a spoon to eat. Si-yeol has to feed her, a role reversal that highlights their new, fragile dynamic . He decides to take responsibility for her, keeping her close as they search for answers.
Their investigation leads them to a clue: a newspaper article about a couple who claims a nine-tailed fox saved their lives years ago. Eun-ho, who believed she was the last of her kind, is shocked and decides to find this mysterious woman . Their quest, however, is quickly interrupted when they are reported to authorities for looking suspicious while climbing a mountain in unsuitable clothes .
The Ending of Episode 4 and Fan Reactions
The episode closes on a quiet but significant moment. After their chaotic day, Si-yeol watches Eun-ho sleep and finds himself admiring her. The moment he realizes his own feelings, he tries to wake her, only to find she is having a violent nightmare. In her dream, she sees Si-yeol as the one stabbing her, suggesting a deep psychological trauma from the attack and a complicated connection between them .
Viewers have expressed intense reactions to the episode’s major twist. One fan commented on the emotional stakes, writing, “my girl lost her immortality and powers? NO!” and lamenting the loss of a powerful female character to a love-centric plot . Others are invested in the developing chemistry between the leads, with one viewer noting they are “on the ride for sure” despite frustrations with some character decisions . Critics note that while earlier episodes had pacing issues, “the 4th episode… definitely felt like an improvement” in terms of drama and stakes .
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Key Details and Streaming Info
No Tail to Tell is a Korean romantic comedy series starring Kim Hye-yoon as Eun-ho and Lomon as Kang Si-yeol . The supporting cast includes Lee Si-woo, Jang Dong-joo, and Choi Seung-yoon. The series is directed by Kim Jung-kwon and written by Park Chan-young and Jo Ah-young.
The first four episodes of the series are currently available for streaming globally on Netflix. New episodes are released weekly.
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