.. Priceless blue crystal vase

You have to know about its importance to the case.

Do you have the case file?

Look at the sword evidence.

It is the fireplace at Fig Hall. There is a photo of it on the café wall. Go look at the photo.

Examine the fireplace in the photo and the vase. Also look at the family tree.

Talk to Esmé about the fireplace, the vase, and the family tree. You should be able to pick the crystal vase in your house now.

Next, get the canvas out of the vase.