The Hidden Immortal

Can the “siblings,” forced apart because of the musical score “Immortal Hidden in the Clouds,” reunite after seven years apart? Will the brother who loves his younger sister dearly recognize her after she grows up and disguises herself as a man? Will the sister who longs for her brother day and night recognize him after seven years apart? Caught between the Fourth Prince Yinzhen and the Fourteenth Prince Yinzhen, can she remain unharmed?