Her partner killed during a robbery, LAPD motorcycle officer Annie Steele is left for dead amongst hospital chemical waste leaking from a truck. Suffering strange and worrisome effects from the chemical contamination, she goes after the killers with the help of computer Geek Bobby Whittaker. As people around her die, the twenty-four year old finds herself isolated and alone, hunted by a highly skilled assassin and the same police she had once called friends. But the stakes are raised astronomically when her hunt intersects with two fanatical terrorist groups which have smuggled nuclear warheads into the United States. It is a story of betrayal, perseverance and misunderstanding as the clock ticks down to the most horrific terrorist attack ever perpetrated.