Wyatt Earp's great granddaughter Wynonna battles demons and other creatures with her unique abilities and a posse of dysfunctional allies - the only thing that can bring the paranormal to justice.
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.
Joan Burrows returns to her hometown for her niece's graduation, only to be confronted by the serial killer she thought she offed years ago -- after he kidnapped and tormented her and her best friend.
