Abby and Lina investigate the erratic behavior of a crime scene photographer, which leads them to take over the investigation of a murdered model.

When Don's ex-partner Paul is investigated for the death of his wife, Abby and Lina look into how she really died, which may lead to Don's old cases being reopened.

Meanwhile, Lina worries if her partnership with Abby will change after the birth of her baby, and Abby's relationships with Danny and Brody heat up.