Struck

Laney and Leela are identical twins, except for a birthmark and two very different personalities. Home for the summer after college graduation, they go on a camping trip with their two younger siblings. When they return home, they find the town empty. Everyone is missing, including their parents and Laney's boyfriend, Hollister. Besides some strange marks on the ground caused by a lightning storm, there aren't any clues, and without any leads on the disappearances, the police leave the town...