Direct answer
Objectives follow journal display order. Some depend on your choices; follow the active objective in the game.
Result
When the devil cannot go himself, he sends a woman - and when a sorceress is indisposed, she sends a witcher to do her errands. That, at least, was Keira Metz's approach. Finding herself in a bit of a pinch, she asked Geralt for yet another favor. This time she needed him to track down a merchant's wagon which had been carrying some rare magic ingredients her way. It had never arrived, and she had begun to fear the worst.
