Nobita and his companions set out to locate a perfect realm named Paradapia, echoing Thomas More's Utopia. Assisted by Doraemon's devices and temporal powers, they reveal Paradapia"s truths and confront obstacles, notably a pursuer called Marimba. The narrative centers on their quest to decode the enigma of Paradapia, culminating in a hopeful outcome and excitement for forthcoming escapades in the distant future, promising bright new horizons.