Don't Mess With Her - Dramabox

Wendy Bell, the lost heiress of the Spencer family, supports her mom's medical bills by working at a club. Under a twist of fate, she accidentally rescues Henry Nelson, the CEO of Nelson Corporation. However, Rosy Hansley, discovering Wendy's heroic act, falsely claims credit for the rescue.Upon Wendy's return home, her step-parents force her to marry into the Nelson family in place of her stepsister.