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The Defects

The Defects
★ 7.7/10•2025•Action & Adventure•Drama
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An action thriller depicting the revenge of children who barely survived the brink of death after being abandoned by their adoptive parents.

Oh Ki-hwan · Director

StatusEnded
LanguageKO
First Air DateJul 21, 2025

Episodes

Episode 1 - Eye ShoppingE157m

Eye Shopping

Ahyeon and the children, who live as if they were dead after being abandoned, repeat harsh training to protect themselves. Taesik, who has been rescuing children without the organization knowing, makes a decision to save the new 'recall' target.

Jul 21, 2025

Episode 2 - Quality DissatisfactionE255m

Quality Dissatisfaction

Ah-hyun and the kids try to run away as Tae-sik has planned for them. However, Jung-hyun, who had been keeping an eye on them, picks up their trail, putting them in danger. As the truth behind the brutal "refund" system comes to light, the kids vow to take revenge on the adults. Their first target is So-mi's adoptive parents.

Jul 22, 2025

Episode 3 - SurvivorsE355m

Survivors

After being disowned by their adoptive parents, Ah-hyun and the kids live as if they are dead. They endure brutal training, determined to protect themselves. Meanwhile, Tae-sik, who has been secretly rescuing children from the malicious organization, makes a bold decision to save a new "refund" target.

Jul 28, 2025

Episode 4 - MomE455m

Mom

To put an end to the inhuman adoption and refund system, Ah-hyun and the kids set out on a daring mission to confront the head of the evil organization. With fierce determination and a carefully crafted plan, they infiltrate the organization's bunker to strike from within. But once inside, Ah-hyun uncovers a devastating truth behind the system.

Jul 29, 2025

Episode 5 - Useful ChildE553m

Useful Child

The kids risk their lives to save their guardian, Ah-hyun. To do so, they're in desperate need big money, forcing them to confront Ju-an's adoptive father. Their plan is to steal offerings from his church. Meanwhile, Se-hee's ambition to seize even greater power pushes her toward devastating choices that could change the world.

Aug 4, 2025

Episode 6 - Real NameE646m

Real Name

Framed for murder, Ah-hyun and the kids turn to the only adult they trust, Detective Choi. Meanwhile, the unexpected and unwanted return of of Seok-su, the adoptive son who was believed to be dead, throws Kwon Kang-man into a crisis, leading him to seek ways to put an end to the adoption on his own.

Aug 5, 2025

Episode 7 - D-DayE747m

D-Day

The kids barely make it out alive from the fire, but with a tragic loss. Fueled by grief and rage, they vow revenge against the monster once more. Meanwhile, Kim Se-hee sets her sights on a refund project that is far more massive, ruthless, and shocking than Ah-hyun and the kids could have ever imagined.

Aug 11, 2025

Episode 8 - Final RefundE848m

Final Refund

What begins as a camping trip soon turns into a living nightmare. Kim Se-hee's inhumanity reaches its peak as she executes her plan to massacre the "defects." To stop her once and for all, Ah-hyun and the kids rise up against her and her team, risking their lives for all the lives to avenge the ones already lost and protect those who could be next.

Aug 12, 2025

Actors

Yum Jung-ah

Yum Jung-ah

Kim Se-hee

Won Jin-ah

Won Jin-ah

Kim Ah-hyun

Choi Young-jun

Choi Young-jun

Wu Tae-sik

Dex

Dex

Jeong-hyun

Ahn Ji-ho

Ahn Ji-ho

Ju-ahn

Lee Na-eun

Lee Na-eun

So-mi

Oh Seung-jun

Oh Seung-jun

Seok-su

Kang Ji-yong

Kang Ji-yong

Si-woo

Son Jong-hak

Son Jong-hak

Kwon Kang-man

Song Young-gyu

Song Young-gyu

Yoon Se-hoon

Kim Soo-ro

Kim Soo-ro

Shin Yeon-woo

Shin Yeon-woo

Young Kim A-hyeon

Kim Ji-yoo

Kim Ji-yoo

Young Kim Se-hee

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