Part 2: Chapter 21 and Epilogue Summary

Endings, Beginnings. Chris tells Cathy that he overheard the servants talk about the food the grandmother often brought to the attic to control the mouse population. The butler also tells the maid that Corrine has been putting arsenic in the food to kill the mice. Chris tells Cathy that the arsenic is probably what killed Cory and to prove it, he feeds some of the powdered donuts to the mouse. The mouse slowly dies a terrible death. Chris and Cathy decide to leave that night, but they worry the grandmother might make an attempt to stop them. However, they manage to walk out of the house the same way they walked in over three years ago.

The children ride the train to Charlottesville, the nearest town, without anyone questioning them. Once they are there, Chris asks Cathy...