Thea finds herself in trouble with the police after she gets caught using a drug called Vertigo. Oliver thinks the only way to keep her out of jail is to find the dealer - a man who goes by the name of The Count. Oliver turns to an old flame, and current vice cop, McKenna Hall, for help. Meanwhile, Laurel steps in to defend Thea, and Felicity gives Oliver some disturbing news about Moira.
Download the TV Guide app for iPhone, iPad and Android!