Sugar is thrilled at the prospect of moving in to William's house as governess to his neglected daughter Sophie. But she soon finds Agnes' condition to have deteriorated, worn down by the constant visits from Dr Curlew, and Sugar makes a promise to help her before it is too late.

Sugar está emocionada por la perspectiva de mudarse a la casa de William como institutriz de su hija abandonada Sophie. Pero pronto encuentra que la condición de Agnes se ha deteriorado, desgastada por las constantes visitas del doctor Curlew, y Sugar hace una promesa para ayudarla antes de que sea demasiado tarde.