The joy of Christmas looks bright for a doting Oklahoma Mom. But her kids wake up to a living nightmare when she's inexplicably gone. As investigators track two suspects down a deceitful road, an incendiary break lures the killer out of the dark.

A Florida co-ed disappears after a night on the town. As investigators trace her last steps, they fear some missing girls at another campus might be connected. But when a dog sniffs out a backyard grave, the key to this mystery is far closer to home.