Episode Description: Beware, spoilers! To read - hover over the text.
The city covers a mysterious illness infects hundreds of people, including Diggle. Oliver discovers Vertigo in Diggle's blood and realizes the Count has escaped from prison and again distributes a drug. Meanwhile, Moira goes on trial for her uchastiia a crime against the city. District attorney Adam Donner collapses with symptoms of "Vertigo", so Laurel was forced to replace him and be the Prosecutor in the case against Moira. Oliver is torn between wanting to support his family during the trial and catching the Count. Things change when felicity finds the trail and falls right into the trap the Count.