In the glorious era of the Liang Dynasty, there was an unknown affection hidden deep in the palace. Gu Yuan, a high-spirited young general, whose parents died in battle when he was young, was adopted by the emperor and grew up with Chi Yu, the little princess born to the late empress. Chi Yu, a smart and talented woman, is deeply loved by the emperor. She and Gu Yuan are brothers and sisters, but due to the disparity in status, it is difficult to cross the emotional boundaries. As they grow older, their relationship gradually deepens, but they also face differences in palace rules and identities. When the border crisis broke out, Gu Yuan was sent to the battlefield, and Chi Yu was worried in the palace. There was a palace coup, the prince was assassinated, the emperor was seriously ill, and Chi Yu fell into an unprecedented crisis. When Gu Yuan returns, the two work together to reveal the truth about the coup and protect the emperor and prince. Their emotions finally break out.
Mission: The power of love, loyalty and sacrifice