Identical twins Melina and Gillian Lloyd switch places for the first time since childhood when Melina proposes that Gillian take her place as a media escort to NASA astronaut Col. "Chief" Hart.

The following morning Melina receives terrible news: her sister has been murdered-and Chief, though innocent, is the prime suspect.

Now, with targets on their backs, they must work together to learn the truth behind Gillian's death-before they become the killer's next victims.