A young girl is plucked from small-town obscurity and thrust into the spotlight of the glamorous world of super-models.

Desmond Caine suffers from insomnia and spends his nights walking the streets. One night, he witnesses a murder, generating a strange chain of events in his life.

A group of humans arrive on Sirius 6-B to investigate an SOS signal sent out from the planet, which has been supposedly deserted since the destruction of the man-made weapons known as "screamers." Once the squad arrives, they find a group of human survivors eking out an existence in an old military outpost, but more important, they discover that the threat of the screamers has become even more insidious, now that they're able to morph into human form.

After her brother is attacked in jail and stays in a coma, Julia has to face her nephew's kidnappers, while trying to figure out what her brother meant with his last letter.