A visit to the doctor leaves Karen stunned. Blair and April's relationship moves forward. Harry helps Marc battle his demons. Joss desperately needs evidence against Calista.

Joss thinks about what her life with Scott could have been like. Karen comes to a monumental decision. April and Daniel sleep together. Daniel has a tape that could benefit Joss.

Karen shares her baby news with Alec and Vivian, and Vivian has news of her own. Meanwhile, April and Blair's romance hits a rough patch, which bonds April and Lucy, Daniel's tape poses a problem for Calista, and Joss gets more bad news from the police.

Joss considers taking the plea deal and what that would mean for a future with Harry; Karen helps Vivian keep her secret from Alec; Marc's sister surprises him and April.

In the third-season finale, Joss is granted her freedom, but she may lose Harry because of his new job prospect. Meanwhile, Marc's absence causes April to come to a realization, Vivian's condition worsens, and Joss receives a puzzling present.