Just take 4 cheese, 3 black capes and 27 bronze arrows to the Zaros emissary south of Varrock west bank.
OR if you want to solve it yourself, the clue is
here
Sikr the clue master
post tomorrows one for us tooo please
There's a thread stickied in general where people can help eachother solve them and Crow said the later clues would be easier. + RS wiki already has the first one too, lol.