chunk: Gilbert takes a room across from the bookstore in order to keep eye on things, and believes his suspicions confirmed when he sees the pharmacist let himself into the bookshop with his own key late at night. Gilbert breaks into the bookshop in an effort to find evidence to prove his suspicions, but only manages to frighten and anger Titania.
  Gilbert learns that Mifflin is to take a day trip to Philadelphia, and follows him in the belief that the trip is a part of the "kidnapping" plot. In Philadelphia Gilbert confronts Mifflin with his suspicions, telling him of all the things that have occurred. The two realize that a third party had lured Mifflin away from the shop. They call the bookshop and learn that the pharmacist has left a suitcase of books there for someone else to pick up. Mifflin tells Titania to hold on to the case until he returns.