On the Bishop of Salzburg's name day, Amadeus will sing a brilliant solo for the festivities, but his malicious and envious rival, the lower court marshal Devilius, wants to stop him. Amadeus must help Mr. Hagenauer, the Bishop's court purveyor and the Mozart family's landlord, locate the missing coach carrying the delicious chocolates from Linz urgently needed for the festival. The chocolates finally reach Salzburg and the Hagenauers.