Tower of Babel

Cha Woo Hyuk, a fiery prosecutor with a background in journalism, seeks revenge after his father's mysterious death and his mother's suicide. Discovering their connection to a conglomerate, he vows to uncover the truth. Along the way, he falls in love with actress Han Jung Won, the wife of a chaebol heir. Later, Cha faces her as a prosecutor when she becomes a suspect in her husband's murder. Source: Mydramalist