During December of 1999, public health authorities in Alberta, Canada are notified of two cases of a rare form of bacterial meningitis. A third reported case claims the life of a seventeen-year-old. Soon after, six more cases are reported and another young life is taken. Health officials think a new strain of the bacteria may be invading the population. The Provincial Laboratory discovers that a new genetic strain has indeed been introduced, but luckily, the meningitis vaccine that exists will still work against it. The Public Health Authority must act quickly to vaccinate and immunize over 50,000 young people before the bacteria claims any more victims.