Hwang Chansung of 2PM has landed his first leading role. He will play Lee Hyung Joo, a mobster in the one-episode drama special "Your Noir."

As the youngest member of a gang, he is assigned to trail a prosecutor who has targeted the gang. He also has to observe the prosecutor's wife, played by Chae Jung An.

But that's where things get complicated. The prosecutor's wife happens to be his old high school teacher and the woman he used to have a crush on.

The love he still feels for the prosecutor's wife creates a dangerous conflict.

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