My Sister's Showdown at My Wedding

Chris's sister, Nancy, returns to the country to attend Chris's engagement party. But Chris's girlfriend, Emily, mistakes Nancy for Chris's lover, so she scolds her and abuses her. After Emily's evil deeds are exposed, it's revealed that she is falsely pregnant and plans to conspire with Chris's friend, Ray, to kill Chris and take control of the George Group. In the end, Ray is sent to the police, Emily's family is punished, and Chris and Nancy realize the importance of character.