Carl Marino

When emergencies occur, the trauma team from San Francisco City Hospital is first on the scene, traveling by land, by sea or by air to reach their victims in time. From the heights of the city's Transamerica Pyramid to the depths of the San Francisco Bay, these heroes must face the most extreme conditions to save lives, and give meaning to their own existence in the process.

As an epidemic of a lethal airborne virus - that kills within days - rapidly grows, the worldwide medical community races to find a cure and control the panic that spreads faster than the virus itself.