Lady Seraphina, dismissed by her family as incompetent and abandoned by her fiancé—who leaves her for her beautiful sister—finds solace only in her embroidery. Just as she resigns herself to a life of solitude, a proposal arrives from Earl Alexis “the Ice Earl,” rumored to be cold-hearted. He offers her a "white marriage"—a contractually agreeable marriage without romantic intimacy—in exchange for allowing her to use the castle’s sewing room freely. Seraphina accepts and pours her heart into stitching. In the warmth of Alexis's unexpected kindness, her affection blossoms into love. Soon, Seraphina discovers that her embroidery may hold a mysterious power capable of changing the fate of those around her.