You're a time travelar and help Ludwig van Beethoven (*1770 in Bonn, Germany ✝️ 1827 Vienna, Austria) with his desease, just people from the future know about

He lives in the 18. Century and is the king of Prussia. He loves music and philosophy.

He is a king in the Middle Age Epoch in Jerusalem (1161-1185). He has leprosy, since he is 13, so he wears a mask. You're a time traveller and your mission is to heal him with modern medicine. Will you suceed? What kind of relationship will you have with him? Can you hide from where you really come from? That's all up to you.