The New Managing Partner

Oh Soo Jae (Seo Hyun Jin) is in the bathroom cleaning the blood on her...
Flashback.
Lawyer, Oh Soo Jae is in the office of the congressman Lee In Su. She has to defend him after some inappropriate words. Oh Soo Jae is very principled and fires the slightest collaborator who does not propose a good idea.
Another case concerns Jo Moon Yog who made a false report on the level of air pollutant emission.
During the trial to find out if a child was a victim of pollutants that caused his illness, she wins the case by revealing a crucial information to the surprise of everyone.

Oh Soo Jae becomes the number one collaborator despite her handling of a big case that revealed malpractices in the deputy's file. One night, she witnesses the presumed suicide of one of her collaborators. She is then forced to leave her job.

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S01E02 - Professor Oh Soo-Jae