In Once in a Thousand Years General, Lu Yan has slumbered for three thousand years, his sole purpose: to awaken and bring back the powerful and mysterious “Righteous Lady.” But when Yu Deng Deng—the spirited leader of Qingquan Village—accidentally rouses him, destiny takes an unexpected turn.

Struck by his striking looks, Deng Deng boldly declares she wants to marry him—unaware that Lu Yan is no ordinary man, but a legendary general from the past. What follows is a whirlwind adventure filled with hidden identities, ancient secrets, and unexpected romance, as the two unravel the truth about each other—and their intertwined fates.