Elfrida College for the Training of Female Elementary Teachers encouraged the highest standards of behaviour in its young ladies. Bathing in the nude was a flagrant breach of the Rules. For Harriet Shaw this daring midnight dip caused more than a chilly frisson. She was to become an important witness in a case of murder. As Jane and Molly encouraged her into the water, the well-bred water-nymphs were surprised. By three men in a boat, and a dog, keeping watch in the prow.