Conspiracy in a medieval castle. Kids

Oh, the era of the Middle Ages! The clashing of swords and the clatter of hooves, the noise of feasts and the rustle of banners... All of this is so distant when you are held captive in a gloomy dungeon awaiting the decision of your fate. But what's this? Your cellmate claims to be the rightful heir to the throne! Will the kingdom flourish or will betrayal triumph over these lands? It's all in your hands. Dark times have come to the kingdom. The rightful prince has vanished without a trace, and rumors of a plot at the king's court are multiplying. Where are those new heroes who will return prosperity and honor to the kingdom? Where are those brave ones who will challenge the traitors and find the missing heir? It's your time, young brave hearts!