Zhang Xiao is an ordinary girl living in the 21st century. One day she had a terrible accident and woke up in the past, in 18th-century China, in the body of a 16-year-old aristocrat Maltai Ruoxi. But life in the palace turns out to be much more difficult than Zhang Xiao could have imagined. Gradually, the girl plunges into a whirlpool of court intrigues and, unwittingly, finds herself drawn into a dangerous struggle for power between the princes. But from his history course, Zhang Xiao knows well what tragedy awaits everyone ahead. Trying to change the course of events, the girl interferes in the fate of the princes. But forbidden feelings could jeopardize her plan. Just what if it was Zhang Xiao who was to become the cause of the tragedy that she was so keen to prevent? In the palace, in the very center of love and political intrigue, every step is like walking on thin ice. Will Zhang Xiao be able to unravel the tight tangle of secrets and find the way home?