activity
Intercept the transport in western Maragir Wealds.
Defeat the escort.
Loot the leader's body for the note.
Only what a source states. A quest with nothing listed is a quest whose rewards are unpublished, not one that gives nothing.
The second retail catalogue calls this "Ambrus's Transports: Blood Business". One of the two has it wrong and there is no way to tell which from outside the game.