The Streets
Cadenza: The Kiss of Death - A Mystery Hidden Object Game (Full) Guide
Just grab that thing on the wall and proceed so you won't be wasting your time. You will not need any further help with the next area because it is plain easy.
You will need to go to the Herb Shop immediately, but you will be denied any further information. Just get back in the streets to the firework's merchant and BAAM!
And then the merchant will give you an item that you can use in the Herb Shop. Unto the Herb Shop!