Jiang Shinian, a girl from a poor family, married into a wealthy family but was betrayed by Jiang Beichen. To save her family, she agreed to a substitute marriage with Xi Mucheng, known as the "Devil" in Hong Kong City. Xi Mucheng doted on her deeply, her family and fulfilling her hobbies. Jiang Beichen woke up to his mistakes and sought reconciliation, but was rejected. Jiang Shinian fell in love with Xi Mucheng under the phoenix tree. Her past unrequited love finally came to nothing, leaving only true love to warm the rest of her life.
