Strong Girl Nam-soon
Season 1, Episode 12: Diamond Cuts Diamond
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Si-o learns of Geum-ju's ruse and decides to expand his target. As the drug case becomes more intense, Hee-sik asks Nam-soon to move in with him.
All Episodes - Season 1
Episode 1
Birth of the Strong Girl
Episode 2
Gangnam, Here I Come
Episode 3
Three Generations
Episode 4
Reunion
Episode 5
Vigilante of Seoul
Episode 6
Mystery X
Episode 7
Moonbow
Episode 8
Light and Shadow of Gangnam
Episode 9
The Root of Vice
Episode 10
The Stand-ins
Episode 11
Breaking Point
Episode 12
Diamond Cuts Diamond
Episode 13
Save the Sea Hares
Episode 14
Forewarned Bloodbath
Episode 15
Strong Girl Nam-soon
Episode 16
In the Name of Love and Justice