While Homeland Security and FEMA warn the authorities that a highly contagious specimen of a killer virus is missing from a local lab, Allison dreams of a man speeding down the highway obviously intent on killing himself. When it happens the next day, Allison learns that the man was actually a research scientist at a the biochemical firm responsible for the missing sample. Worse, it's possible he may have been infected with the virus meaning Allison, her family, Det. Scanlon and all of the emergency workers at the scene may have been infected. Meanwhile, Scanlon finally plans on proposing to Lynn DiNovi but Allison is concerned when Bridgette has a dream where she saw Scanlon looking very sad.
—garykmcd