As the hunt continues for the prime suspect in the Normandy Parker case, an anonymous tip forces Terry into an officer-involved shooting that sets off public uproar. A desperate Siletti reluctantly hires DUI defense attorney Alfred Arkin but withholds essential trial information. Hildy gets good news for her future, and she and Terry cross a line together.
Ray helps Hector handle a person from his past who risks unearthing a secret that could ruin his career. As Bunchy attempts to please a very pregnant Teresa, Abby offers him a lesson in marital compromise. Meanwhile, an act of petty larceny leads to a renewed sense of purpose for Terry - and Detective Muncie uses evidence against the Donovans to force Ray's hand.
Chandler must confront his suspected new foe. Slattery learns more about the supposed virus mutation. Pressure mounts on President Michener as the situation worsens.
Matt LeBlanc gets his hands on the new Porsche 911 R whilst Chris Harris puts Honda's reimagined NSX through its paces. Chris Evans discovers old-fashioned charm in the somehow new MGB Roadster, as Rory Reid heads to Scotland with the first ever right-hand-drive Ford Mustang. Grey's Anatomy star Patrick Dempsey and Man Down funny man Greg Davies are tonight's Stars in a Rallycross Car, plus a treat for the whole team, including Sabine Schmitz and Eddie Jordan.