The general is framed, and the Shen family is on the brink of ruin.
The world knows that the general's household has a legitimate daughter, Shen Wanning, who has been frail since childhood. But no one knows that a twin older sister, Shen Linyue, hides in the shadows, wearing a silver mask and wielding a pair of swords.
The younger sister stays within the inner quarters, using her frail body to read people's hearts and plan each step with care. The elder sister hides in the shadows, serving as a covert guard who wields her sword to protect her family and break through the deadlock.
One in the open, one in the shadows, the two sisters are of one heart.
But as they piece together the clues, they discover that Prince Zhao is merely a discarded pawn. The true player behind the game is still lurking in the shadows.