Ballard reopens a mysterious John Doe case while pursuing justice for a councilman's murdered sister. As she navigates reluctant witnesses, department politics, and her own demons, Ballard and her team uncover buried secrets that suggest corruption within the police force.

The 2006 death of fraternity member Nick Thatcher was initially ruled an accident. When a video goes viral accusing the fraternity of murder, Ballard and her team are forced to reopen the case.