The Defects - Season 1 Episode 2

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.