1. Talk to Bert at the the most western house of Yanille. He will tell you that he fears loosing his job because he found a hand in his sand pit. Agree to help him find out how it got there. He give you a Sandy hand and tell you to talk to the Guard Captain in the Dragon Inn.
   
   Note: The easiest way to reach Yanille is via the Watchtower teleport spell (requires 58 Magic), or via Ring of duelling teleport to Castle Wars and then walking east.
   
   
   
   
2. Enter the pub to the south and talk to the Guard Captain. He will ask for more beer. Give him a Beer and ask him about the hand. He will take the Sandy hand and accidentally drop it into his beer turning it into a Beer soaked hand Then, he will tell you to go to the Wizards' Guild and to ask someone there about it.
   
   
   
   
3. Ring the bell outside of the Wizards' Guild to the east and Zavistic Rave will appear for you. Talk to him about the hand and he will tell you that the hand belongs to Clarence. He then asks you to find out more about who might have done this to him.
   
   
   
   
4. Head back to Bert. He will tell you that he works for the Sandy Sand Co. in Brimhaven and give you a copy of his rota.
   
   
5. Go to Brimhaven and talk with Sandy at his office north of the pub. Once the conversation has ended, search his desk to obtain Sandy's rota. If you read rota's, you will noticed that they do not match. Before you leave the island, pickpocket Sandy's pocket. You will receive some Sand that will come into play later on in the quest.
   
   Note: The easiest way to reach Brimhaven is via Amulet of glory teleport to Karamja or by taking a ship in East Ardougne for the fee of 30 Coins.
   
   
   
   
6. Head back to Bert in Yanille and give him the two rotas. He will give you A magic scroll that appeared in his room the other day and suggests asking the wizards what it is.
   
   Note: The easiest way to reach Yanille is via the Watchtower teleport spell (requires 58 Magic), or via Ring of duelling teleport to Castle Wars and then walking east.
   
   
7. Ring the bell once more at the Wizards' Guild and talk to Zavistic Rave. He will give you a Magical orb and tell you to put it in Sandy's office. He will also ask you to get some Truth serum from Betty in Port Sarim. Talk to him again and give him a Vial, he will then teleport you straight to Betty.
   
   
8. Once you are at the rune shop in Port Sarim, talk to Betty who will ask for a Vial. Give her the Vial and she will give you some Bottled water. She will then tell you that in order to make the serum, you must first add Redberries and then White berries to it. By mixing all the ingredients you will receive a bottle of Pink dye. Now use the Pink dye with the Lantern lens and you will get a Rose-tinted lens. Talk to Betty again and she will put a vial on the counter. Stand in the door opening and use the Rose-tinted lens with the vial to receive Truth serum. Talk to Betty again and she will add the Sand, you obtained earlier, to it to finish the serum.
   
   
   
   
9. Return Brimhaven, and talk to Sandy at his office north of the pub. Try to distract him using any of the options. If it works he will look away and a message box will appear saying that is the time to put the serum in his drink. If he does not look away and says "I'm not falling for that one", then you will have to try another option. When he does look away, use the Truth serum with the mug on the table.
   
   Note: The easiest way to reach Yanille is via the Watchtower teleport spell (requires 58 Magic), or via Ring of duelling teleport to Castle Wars and then walking east.
   
   
   
   
10. Now, activate the orb and ask Sandy all of the available questions. He will tell you that he changed the rota so he would not have to pay Bert more for working longer, that he bribed a wizard to make Bert forget what the original rota said, and that he then killed the wizard because he did not want to get caught.
    
    
11. Make your way back to Yanille and give Zavistic Rave the Magical orb (a). He will ask for 5 Earth runes and a Bucket of sand. Give them to him and with the help of magic, he will refill Bert's sandpit so that he no longer has to work anymore. Zavistic Rave will then tell you to go to the Entrana sandpit to see if you can find the rest of the slain wizard.
    
    Note: The easiest way to reach Yanille is via the Watchtower teleport spell (requires 58 Magic), or via Ring of duelling teleport to Castle Wars and then walking east.
    
    
    
    
12. Head to the bank in eastern part of Yanille and deposit any armor or weapons. Once you are on Entrana, head to the sand pit in the southwestern part of the island. Talk to Mazion nearby to receive the Wizard's head.
    
    Note: The easiest way to reach Entrana is via Amulet of glory teleport to Draynor Village. There, head west to Port Sarim and board the boat to Entrana.
    
    
    
    
13. Return to Zavistic Rave to claim your reward.
    
    Congratulations! Quest Complete!
    
    
    
    

Additional Rewards:

Once you have completed the quest, Bert no longer has a job because the wizards gave him enough gold for the rest of his life and made the sandpits refill themselves. You can ask him to bring 84 Buckets of sand to your bank each day. However, you will have to talk to him every day if you want to get the Buckets of sand delivered. Now, you may also buy Pink dye from Betty in Port Sarim for 20 Coins.