At 14:00 we take an S-Bahn train from Zurich to Pfaeffikon. From there we'll walk across the lake to Rapperswil. In Rapperswil, there will be a guided tour (approx. 1 hour) of the town and the castle.
We take a boat departing Rapperswil at 17:25 to Zurich. On the boat, we have dinner, see.