The CEO's Secret Revenge

A secretary destroys the female lead's family. When the female lead grows up, she becomes the secretary of the female CEO. She pretends to seduce the CEO's husband and uses the CEO's son to successfully take revenge. However, she unexpectedly falls in love with the CEO's son and discovers that her revenge target is her own biological mother. A revenge, a torturous love, and repeated entanglements and pain, from beginning to end.