Plot: When the nation's security threat level is elevated to an orange alert, Nasim's paranoia over an abandoned designer briefcase in the hotel lobby and fear of getting SARS from a group of Toronto tourists, carries over to Mavis, who calls the police bomb squad to blow up the attache. But when Mavis discovers that Courtney is missing his expensive new briefcase -- which was a gift from girlfriend, Rita, she scrambles to find an inexpensive knockoff