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.
A former Secret Service agent grudgingly takes an assignment to protect a pop idol who's threatened by a crazed fan. At first, the safety-obsessed bodyguard and the self-indulgent diva totally clash. But before long, all that tension sparks fireworks of another sort, and the love-averse tough guy is torn between duty and romance.