The FBI is called in to help trace discretely and hopefully contain a fatal infection. Thus Don learns to his surprise that Charlie actually already has even higher security clearing than his big brother, being an NSA consultant. In collaboration with the Atlanta disease control center, the epidemic is diagnosed to be one, or as Charlie later helps discover two, vicious strains of the Spanish flu which wiped out more people then the first world war. For security reasons, the brothers can't tell why they try to keep dad away from the city's most endangered quarters. Charlie's brilliant chaos theory application is their only change to work out patient(s) 0, the source, and spread pattern. Don concentrates on bio-tech firms which almost certainly provided the virus, and the harder, open question of motive, yet key to arresting the culprit. Written by
Did You Know?
's character (Martin Grolsch) is named after one of the most popular Dutch beers: Grolsch. Grolsch is named after a town, and it's not at all a common last name, not even in The Netherlands. See more
When the public health officer, Lt. Havercamp, is first introduced she is introduced as "Commander." As shown by the credits and her shoulder boards (two full-size stripes), she is a lieutenant. PHS ranks are the same as navy officer ranks. See more
[This appears on the beginning of the episode] 4 Countries 6 Deaths 30 Cases 1 Unknown Pathogen See more