Truth Behind Seon Jae’s Foster Parents - S1.E31

Seo Jae Geun tells Tae Seok everything from how he got involved with Eun Seon Jae and her foster parents to how he has recently ended up with making a false statement. Meanwhile, Detective Chae is asked to wear a microphone without telling his team members so that the Internal Affairs Team can secretly record and investigate what Tae Seok is up to.