Secret Guardian of My Bride - Episode 12

At age five, Evan Carter stumbles on an infant abduction plot. He secretly swaps his childhood fiancée Clara Bennett back to her family and buries the truth for years. When their engagement banquet rolls around, the nanny tries to pass off her own daughter as the heiress. Evan lays out the decades-old secret, exposes the scheme, brings the culprits to justice, and spends his life peacefully with Clara.