From the First Sighisoara campaign's ReadMe:
"MASTERS OF SIGHISOARA I - THE MURDERED INNKEEP
Campaign description: Welcome to the continent of Sighisoara where
various nations seek to expand their territories in the best
traditions of medieval warfare and petty factionalism. The First
Sighisoara campaign follows the adventures of Yurian the Knight as
he tracks down the killer of an innkeep from Aurolas.
Number of maps: 4
Map size: map 1 M, map 2 L, map 3 XL, map 4 XL
Language: English
Game version: Heroes III: Shadow of Death
Play-Testers: The Sighisoara Team
(Maygwan, HeroOfPunk, Yurian Stonebow, Koni)
Version 1.1 tested by Yurian Stonebow
Campaign created by: HeroofPunk, Yurian Stonebow, Maygwan
Campaign difficulty: User selectable
Campaign type: Singleplayer only, no Human or CPU allies
Campaign version: 1.1"
Hope this helps
P.S
I didn't name the main campaign Hero for MoS I as Sir Yurian the Knight.
My friend and team mate HeroOfPunk was behind it as the fantasy world of Sighisoara is the fruit of his imagination.
Don't worry if things are going badly today. They will be much worse tomorrow.