A Tail of Two Cats/Quick guide

Starting the quest

 * Talk to Unferth in his house, north of Burthorpe agility course, with the catspeak amulet equipped.

Cathunt

 * Speak to Hild in the building south-east of Unferth's house.
 * Locate Bob the cat using the catspeak amulet and talk to him by doing the following:
 * Right click on the 'Open' option on the amulet in your equipped items.
 * Click on the whiskers until the arrow and the eyes glow white.
 * Follow the arrow until you find Bob.
 * The easiest way to find Bob is to go to the anvil south of the Varrock's west bank and hop worlds until you find him.

Strong Lineage

 * Talk to Gertrude in her house in Varrock.
 * Speak to Reldo in the Varrock library.
 * Use the 'Robert the Strong' chat option.
 * Find and speak to Bob the cat again.

Memories and Bob's List

 * Go to Sophanem and speak to the Sphinx
 * Return to Unferth's house in Burthorpe and do the following:
 * Make the bed on the.
 * Use the logs on fireplace. Then light fireplace.
 * Use the chocolate cake and bucket of milk on the table.
 * Cut Unferth's hair.
 * Weed the patch and plant potato seeds in it and wait until they are grown. Your cat will notify you when they are done (The patch will take 25-35 minutes to grow).
 * Talk to Unferth again once all the chores are done.

Down with the "Sickness"

 * Travel to Varrock and speak with the Apothecary.
 * Unequip any weapons before speaking to Unferth and equip the doctors hat or nurse hat and desert robes and return to Unferth, then use the Vial of water on him.
 * Locate Bob the cat again and talk to him.
 * After the cutscene, talk to Unferth again.
 * Quest complete!