Isabella, the heiress of a wealthy dynasty, caught her fiancé Alexander and her stepmother Susanna in bed together on the night of her engagement party, revealing their plot to seize the family fortune and murder her father. She swallowed her rage and played along, secretly joining forces with investor Kevin to gather evidence of money laundering and a staged car accident. Step by step, she sowed discord between the two conspirators, then exposed the entire scheme at the shareholders' meeting, reclaiming control of the group. But a cryptic note hinted that an even bigger puppet master was still hiding in the shadows.
