Rescued, Gil-ho reveals the Colosseum is the key to the case. Jae-hee rushes to save her friend as Dong-woo and Seo-jin follow with their own motives.

Gangnam B-Side Season 1 Episodes...

• s01e01 - Season 1, Episode 1
• s01e02 - Season 1, Episode 2
• s01e03 - Season 1, Episode 3
• s01e04 - Season 1, Episode 4
• s01e05 - Season 1, Episode 5
• s01e06 - Season 1, Episode 6
• s01e07 - Season 1, Episode 7
• s01e08 - Season 1, Episode 8

Gangnam B-Side Show Summary

A pariah detective is pulled back into the game after his daughter's friend goes missing. The latest in a long line of women to go missing in the Gangnam area of Seoul, the detective delves back into a world of vice, drugs and corruption to uncover something that threatens to topple some of the city's wealthiest elite.