After their home is burglarized, Wayne becomes concerned about his family's safety and invents a security system for their protection. F.R.A.N., the Felon Repeller and Accident Neutralizer takes her duties very seriously and involves herself in every facet of the household. Diane is wary of the overprotective computer, not realizing that F.R.A.N. has developed a mind of her own. When Wayne decides to pull the plug, F.R.A.N. holds the Szalinskis under "house arrest." Can Wayne demonstrate logically who is the real threat and get them sprung?moreless