Direct answer
Objectives follow journal display order. Some depend on your choices; follow the active objective in the game.
Result
While passing the infamous Devil's Pit, Geralt overheard the desperate pleas of prayer - a prayer he answered. A young deacon of the Church of the Eternal Fire asked the witcher for aid. It turned out a gang of deserters had taken hold of an abandoned mine, now long haunted by a mysterious specter thought to spread pestilence. Geralt must deal with this plague spirit or risk releasing it unto the world.
