Gangnam B Side is a nail-biting action thriller that will keep you on the edge of your seat with its captivating casting, storytelling, impressive acting, and direction. While the plot starts out a bit slow, you might find yourself a bit confused around episode one. However, by episode two, it really settles in and becomes fast-paced, filled with action and thrills that get your adrenaline pumping.

The acting is, without a doubt, impressive. Ji Chang Wook, as always, embodies his role perfectly. I actually see a mixture of two of his previous roles in this one: first with his character in The Worst of Evil and then his role in Revolver. He has the aura and charisma that makes his character exciting to watch. His acting is nothing short of perfect, as expected from the king of action in K-drama land. Other actors and actresses, like Bibi, also deliver impressive performances that complement the already exciting plot.

The story does contain violent scenes that may be triggering for some viewers, but they are definitely interesting to watch and contribute to the overall excitement. Overall, so far, this is a nice crime thriller that is worth the watch for action fans.