With the estate on an even keel financially Archie is bored and looking for new challenges. When Kilwille mentions he is opening a restaurant in New York Archie jumps at the hance to manage it. His dream fails to impress Lexie who wants to stay at Glenbogle. Kilwillie's sister Dorothy comes to stay and puts everyone's back up with her superior airs. Her plan to evict the postmistress and rent out her cottage as a holiday home is foiled by Lexie's determination. Kilwillie leaves and Dorothy stays on. Duncan gets a boost to his self-esteem when he learns he is descended from a war hero. Unfortunately the inheritance include an unexploded WWII bomb. Some how he and Archie find themselves locked in the cellar with it when it starts ticking... (thetvdb.com)