When a beloved caretaker is gunned down in a parking lot, an entire community is left mourning; detectives ask whether the case was a random crime or the work of a man who'd been following her.

A widowed mother of four is found stabbed to death, and police suspect sexual assault; when detectives uncover a workplace romance, they wonder if the man she was seen talking to could be her killer, and Uber could be their key to cracking the case.