Lin Yuan, a young man from the modern world, travels to the war-torn and famine-stricken Great Yong dynasty. Trapped in a desperate situation, he awakens a boxed-meal ordering system that gives him access to a limited selection of modern food. With a kind heart, he treats displaced refugees with compassion and uses his intelligence and courage to navigate competing forces. Together with a group of companions, he overcomes countless hardships and builds a safe haven. Amid the flames of war, he remains true to himself, fights to protect those around him, and carves out a new life of his own.