While their parents are on vacation in Hawaii, eleven year old twins Brad and Charlie Parker, and their little sister Zoey, arrive at their grandparents’ cattle ranch in Oklahoma to discover nothing is as it should be.

Grandpa and Grandma’s cattle are disappearing; mysterious strangers are lurking around the ranch; the strange lady at church seems to know their every move; not to mention a psychic lazy dog; and a weird little sister always getting in the way.

How will these twin troublemakers unravel this strange mystery?