A young maidservant named Liu Ying saves a snake on behalf of her young mistress in a chance encounter. However, the snake turns out to be a thousand year ancient dragon named Yuchu Longyan, who now wants to marry her to repay her kindness. The two's lives then becomes entangled with each another as their love transcends over three lifetimes.
In the ancient time, the human honored the winged clan as gods for their ability to fly and to build a castle in the sky. The day when the castle was to be lifted off the ground an explosion destroyed it. A human girl was suspected to have the done deed. However, a man from the winged clan didn't believe it and saved her life. As it turned out, it was a faction of the winged clan trying to start a war with the humans in order to expand their control.
When General Jiang Xu returns to the capital after eight years to investigate military corruption, he enters a strategic marriage with a strong-willed noblewoman, Ming Tan. As they navigate political intrigue and work to protect their families, an unexpected romance gradually blossoms between them.
