The Agent of Autumn, Nadeshiko, has been kidnapped by the insurgent organization New Year, echoing Lady Hinagiku’s capture so long ago. The remaining Guards and Agents must come together to save their comrade, but the insurgents first launch an ambush that threatens Spring and Winter alike! Amid the ensuing battle, Lady Hinagiku will wrestle with the conflicting feelings for her allies that swirl within her—because soon, the Agent of Spring and the Guard of Winter will share their first words in ten solemn years…