My Dad’s Fiancée Called Me His Mistress

On the day of the wedding, Marcus shares a photograph with his daughter, Isla, on social media. Marcus's fiancée, Vivienne, mistakenly identifies her as his mistress. When Isla approaches Vivienne to present her mother's heirloom necklace, Vivienne initiates a violent assault. Subsequently, Vivienne forcibly takes Isla to the wedding venue, where her entire family converges to reprimand the supposed mistress.