An action thriller depicting the revenge of children who barely survived the brink of death after being abandoned by their adoptive parents.
The Defects (2025) is a action & adventure and drama series that premiered on July 21, 2025, spanning 1 season and 8 episodes. It stars Yum Jung-ah, Won Jin-ah, Choi Young-jun and Dex. Viewers rate it 7.7 out of 10 across 22 ratings.
Watch the official trailer for The Defects before you start streaming.
Yum Jung-ah
as Kim Se-hee
Won Jin-ah
as Kim Ah-hyun
Choi Young-jun
as Wu Tae-sik
Dex
as Jeong-hyun
Ahn Ji-ho
as Ju-ahn
Lee Na-eun
as So-mi
Oh Seung-jun
as Seok-su
Kang Ji-yong
as Si-woo
Son Jong-hak
as Kwon Kang-man
Song Young-gyu
as Yoon Se-hoon
Kim Soo-ro
Shin Yeon-woo
as Young Kim A-hyeon
Average viewer score of 7.7/10 from 22 ratings.
"The Defects" is yet another creative crime action thriller from South Korea. The story revolves around an illicit baby factory, where children are genetically engineered to meet the high expectations of ultra-wealthy parents who bid to purchase them in an auction. Those children who don't meet the grade can be returned by their parents under warranty, like a defective product, and can then be "disposed of". This…
Reviewed on February 6, 2026
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The Defects (2025) is available to stream on OnDemandKorea, Kocowa Amazon Channel and Kocowa. Availability comes from JustWatch data and varies by country.
The Defects has 1 season and 8 episodes in total, starting from its premiere on July 21, 2025.
No. The Defects is marked as ended, with the final episode airing on August 12, 2025.
The Defects (2025) stars Yum Jung-ah, Won Jin-ah, Choi Young-jun, Dex and Ahn Ji-ho. The full cast list with character names is available in the cast section of this page.
The Defects (2025) is rated 7.7 out of 10 from 22 viewer votes, and suits viewers who like action & adventure and drama series. Reviews from viewers are collected further down this page.
The official The Defects trailer is embedded in the trailer section of this page and plays instantly in your browser.
