A Letter of Silk and a Crane’s Delight

She is a talented historian from a humble family, clever and patient, determined to clear her father's name;

he is the legitimate son of an illustrious family, a celebrated war hero burdened by a blood feud, advancing cautiously at every turn.

An imperial marriage decree binds them together.

She thinks he is only using her; he thinks she is nothing more than a pawn.

But when the truth comes to light, they learn this:

ten years ago, on a snowy night, they had already saved each other.