Black Engagement Feast

"Heiress Chloe catches her fiancé Mason cheating with Vivian. She finds out he lied about saving her life and planned to seize her estate using forged medical records and unfair contracts. To take revenge, she hires Julian, a fence worker, to pose as her fiancé. In truth, he is the heir to a major North American railway group and her real rescuer. At the party, Chloe calls off the engagement and exposes all scandals. When mocked for Julian's humble job, he reveals his elite status with a black card.

Mason ends up disgraced. Chloe's grandfather objects to their marriage due to an old wartime alliance. Later, he reunites with Julian's grandfather, his long-lost comrade. The alliance was actually meant for Chloe and Julian. Julian proposes, and the two have a blissful future together."