Day 2, check into hotel and then explore the city a little bit. Day 3, take the Swiss Chocolate rail tour Day 4, visit nearby Chateau du Chillion Day 5, travel by train back to Como, Italy.
Day 5: Check into hotel, find a place for dinner, read up about George Clooney's house somewhere nearby ;) If you are there the last week in June, there are several festivals. Days 6-8: Relax, explore local towns including Bellagio! Take a ferry ride, shop for silk and in open-air markets.