As Hurricane Harvey hits Houston, realtor and mother Crystal McDowell disappears. With local resources strained and leads scarce, an abandoned car and a mysterious figure on surveillance prompt authorities to call in Texas Ranger Jim Holland for answers.  

When two children turn up dead in a hot car, police suspect their mother is lying. Ranger Holland joins the investigation to find out what really happened. He confronts the mother in a series of interrogations that ultimately reveal a horrifying truth.