Tired of being passed over for promotion at her law firm, Joanna Hanley returns to her hometown to defend a drug company.

A fish out of water in a town that's as foreign as it is familiar, Joanna battles with questions over her family's hasty departure when she was a teenager and attempts to convince the locals that she has in fact switched sides.

The sick girls and their families are faced with the mill employees who are worried about losing their jobs.

After being reinstated, Joanna plays her trump card, but it's not enough to elicit a settlement.

Joanna Chang is living a new life at a new firm with a new name when she's assigned a case of a brilliant young Internet privacy activist who will turn everything in her new life upside down. Meanwhile, back in Millwood, Billy Crawford is dealing with the aftermath of the Matheson Steel lawsuit.

As Luna's trial starts, Joanna and Billy defend against an avalanche of evidence. With things not looking good, Joanna risks everything by putting an unexpected witness on the stand.

Joanna and Billy face a verdict in their first case, but when they return to Millwood for a high school reunion, an old friend from Joanna's past suffers a devastating loss that forces Joanna to face long-buried demons from her past

Joanna and Billy head to trial against ClearDawn labs while still desperately searching for a way to expose the fraudulent science used to wrongfully apprehend children. Season finale.