The world is ravaged by a new virus, SHVID-1, spread by a shark bite. At the bottom of the ocean, a group of scientists are racing against the clock to find a cure.

A shark bite spreads a virus across the globe, turning the world upside down. Deep below the ocean, a group of researchers race against time to find a cure. Something has infected the lab technicians and it's a race against time to reach the surface with an antidote before they are all killed by themselves and the sharks lurking inside the test pool and outside in the ocean.