There is a burglar on the loose in Wandin Valley. Esme is among the victims and Sgt. Moore is finding it a difficult case to solve. Donna and Jo, not wanting to see Ben get too involved with Sally, decide to sabotage their date. Mrs. Coote is upset by her daughter's harsh reaction when she tells her that the Major has proposed to her. Peter decides to impress Alex by putting up a TV aerial for her and he finally gets her alone - when they get stranded on the roof for the night. Mrs. Coote and Major Duggan get married.