Perfect Marriage Revenge Season 1 Episode 2

Having realized that she's returned to a point before her marriage, Yi-joo decides to navigate a different life course. Her stepmother and stepsister, no longer considered part of her familial circle, morph into her most formidable adversaries. She initiates the process by breaking off the wedding with a man more inclined toward her sister, and then she orchestrates a scheme to sow intricate chaos within her supposed family.