Jack and Bill Avery help Lee investigate who might be sabotaging his business, with the mayor near the top of their list of suspects. Jack start thinking of his future with Elizabeth, and as a result, contemplates buying some property to build a house on. Abigail opens her home to Cody's sister Becky, who's arriving back in town following her stay in the hospital. As a result, Abigail contemplates adopting the siblings. Rosemary gets excited when a movie production company comes to town, casting for a new movie. Meanwhile, Elizabeth finds ways to get her students excited about science.