The residents of Cranford are suffering through a crime spree when Dr. Harrison's house is broken into and Mr. Johnson is attacked as he is closing his store. When Gregson is arrested for the crimes, young Harry has to admit that he and his father were out poaching at that time. By the time Valentine's day rolls around, Dr. Harrison's approach to Sophy receives a more positive reception. However, Miss Caroline Tomkinson receives an anonymous Valentine card and is more convinced than ever that Dr. Harrison is available.