Unforgivable

The female lead discovered her husband's infidelity while their daughter was ill, and heartbroken, she decided to seek revenge. Having endured years of disrespect from her in-laws after marriage, she was met with the fact that her husband had betrayed her as early as three years prior. To gather evidence and make him pay, she infiltrated the other woman's workplace, deliberately getting close and scheming to drive a wedge between them. In the process, she realized the other woman had also been deceived by her husband, leading the two to join forces. Together, they collected ample evidence of his infidelity and devised plans to publicly humiliate and disgrace him. At the same time, the female lead reconnected with a childhood friend who had become a lawyer. With his help, she formally filed for divorce, determined to make the cheating husband leave with nothing and face the consequences of his actions.

Synopsis from DramaGo.