When a pair of mysterious weasels set their sights on four powerful weapons, Po must leave home and embark on a globetrotting journey in search of redemption and justice. Partnered with a no-nonsense English knight named Wandering Blade, these two unlikely warriors embark on an epic adventure - first to find the magical weapons, then to save the world from destruction. In the process, they may even learn a few useful things from each other.