The exhibition shows the story of noble silk art, and includes a visit to the church and some private secret places which are the remains of frescoes from the sixteenth century, the Neapolitan treasury from the eighteenth century, the cellar where silk men used to work and archaeological remains in the inner courtyard. Guided tours are organized every 40 minutes, until 30 minutes before closing. You can also get a guided tour in English with a brochure describing the places and their history, but with a follow-up of the tour group in Italian.