Lou spearheads preparations for the big day while Amy throws herself into gentling a rescue horse in order to avoid all the craziness. But Amy and Ty's happy future is jeopardized when Ty is unexpectedly arrested for assault. Meanwhile, Georgie obser... (more)ves an intimate moment between Lou and Peter and nurtures hope that they are getting back together. And Tim risks telling Casey how he feels about her, and then obsesses over her response.