Two nuns, Sisters Gladys and Edith, have borrowed the convent's bike, and are on their way back from visiting the sick children in hospital. The bridge was temporarily closed, so they decided to detour back to the convent using the side streets. The road through the town, hadnt been upgraded, and was still paved with cobblestones, which made the bike jump, and gave the two sisters a very bumpy ride. " Goodness!" exclaimed Sister Edith from the back. " I have never come this way before." Me neither" replied Sister Gladys. " It must be the cobblestones."