What special incident, narrated by Sai Baba himself, is promised to be told in Chapter 32?

The author of Chapter 32 builds anticipation for a particularly special story narrated by Sai Baba from his own mouth. This narrative is described as a 'sweet incident' that is 'extremely beneficial to the listeners.' It recounts a time when Baba was in the forest and had an unexpected darshan of his Guru. The author marvels at this event, calling it a 'wondrous deed' and noting that the words spoken by Sai himself have the power to grant devotion, faith, and liberation. Chapter 32 urges the reader to pay close attention to this tale.