A new ADA on the case urges the task force to flip a member of the brotherhood to get the evidence they need. Stabler must come to terms with the legacy his father left him. Bell and Nova's worlds start to overlap in more ways than one.

As Stabler confronts the truth about his father, he unknowingly affects his situation with the Brotherhood. The task force works to track down Webb, who's gone off the grid. Donnelly will stop at nothing to ensure he isn't caught.

The squad backs up Stabler in pursuing a murder case outside of their jurisdiction as an unlikely ally provides a key piece of evidence. Bell works to find a way to get Stabler back on the job.

As Bell and the squad come up with a plan to bring the Westbrook case officially into their jurisdiction, Chief Bonner struggles with unanswered questions about her past and her beloved town. Stabler learns the outcome of his IAB investigation.