Her Revenge Engagement

At her engagement party, the fiancé's ex-girlfriend shows up with a five-year-old boy to claim kinship, trying to force the heroine to become a stepmother. The heroine immediately presents a paternity test, proving the child is not related to her fiancé. She then takes off her diamond ring, breaks off the engagement, and points to another man in the corner, declaring, 'My fiancé is now him.'