nAfter her twin sisters brutal murder, a young woman teams up with a NASA astronaut who is working to clear his name, and together they must track down a killer whose lethal plans are far from over. n nIdentical twins Melina and Gillian Lloyd havent considered switching places since childhood. So when Melina proposes that Gillian take her place as a media escort to NASA astronaut Col. Chief Hart, she refuses . . . at first. n n The following morning Melina receives terrible news: her sister has been brutally murdered -- and Chief, though innocent, is the prime suspect. He and Melina are determined to find the killer, a megalomaniac whos nearly unstoppable -- and out for blood. n n Now, with targets on their backs, they must work together to learn the truth behind Gillians death -- before they become the killers next victims. n n