Guardians Beneath the National Flag

Liu Qingqing, the widow of a fallen hero, raises her son Long Yang on her own, living an ordinary, peaceful life. But danger creeps closer without her noticing. At the critical moment, a voice comes from a concealed basement: “A major threat to the protected individual has been detected. Activating the National Merit First-Class Hero Protection Protocol!” Then a mysterious and powerful protective force appears around Liu Qingqing and her son.