Pregnant with the Prince's Twins tells a rags‑to‑riches story. Slum girl Olivia bears Crown Prince Howland’s twins. Suffering betrayal from her greedy family and cruel bullying by jealous nobles, she endures countless dangers. Howland fiercely protects her, even ready to give up the throne. After surviving kidnappings and public smears, Olivia safely gives birth to a boy‑girl pair and is crowned Crown Princess for a happy ending.