I Married the Family's Black Sheep - Episode 4

Charlotte confronts her fiancé Martin in public, accusing him of cheating on her before their wedding. She calls off their engagement, but he retaliates by threatening that the King will be angry and no other man will marry her. Undeterred, Charlotte secures witnesses to confirm Martin's infidelity and leaves him. However, her maid warns that canceling a royal wedding will cause scandal and invite retaliation from Princess Serene. To avoid disgrace, Charlotte decides to choose a new noble fiancé from a list and will ask the King to approve the replacement, determined to proceed with a wedding.