A divorcée's love for her ex-husband pulls her into a deadly crime ring when he goes missing, and the local authorities refuse to search for him.

The residents of a small town discover that something more sinister than killer wolves is lurking in the backwoods: first the wolves start turning up dead...then people.

An elite team of FBI profilers analyze the country's most twisted criminal minds, anticipating their next moves before they strike again. The Behavioral Analysis Unit's most experienced agent is David Rossi, a founding member of the BAU who returns to help the team solve new cases.