Go forward three times. Idi, Tifet's old neighbor approaches and
gives you directions to Tifet's childhood home. He gives you a 
map of Heliopolis. Place it in inventory.

(Insert Tifet's neighbor Idi)

Turn back right and go forward twice. Turn right, go forward 
four times, turn slightly left and click on the yellow door to
approach it. Click once more on the door to open it. Go inside
the courtyard of Tifet's childhood home.