A woman flying home to San Francisco is forced on a detour because of a catastrophic earthquake that hits Northern California. She calls an ex-boyfriend with whom she is still in love to make sure he is safe and the two weigh whether or not to continue their romance.

A middle-aged female protagonist with a violent past sets up trail cameras in the ravine behind her house to monitor the wildlife and her menacing neighbor. When the cameras start to malfunction, she learns there are more dangerous forces at work in the neighborhood.