A deadly airborne virus finds its way into the USA and starts killing off people at an epidemic rate. Col. Sam Daniels' job is to stop the virus spreading from a small town, which must be quarantined, and to prevent an over reaction by the White House.
When their bus is crippled on the side of a deserted road, a team of high school athletes discover an opponent they cannot defeat – and may not survive.
A sheriff's deputy fights an alternate universe version of himself who grows stronger with each alternate self he kills.
