Oliver (Stephen Amell) makes a drastic move in his quest to find Diaz (Kirk Acevedo). Like her husband, Felicity (Emily Bett Rickards) pulls out all the stops to get to Diaz. Meanwhile, when arsonists target Rene's (Rick Gonzalez) community center, injuring Zoe (guest star Eliza Faria) in the process, the mysterious new Green Arrow swoops in to help save the day. Faced with pressure from the mayor to capture the vigilante, Dinah (Juliana Harkavy) must decide if following the rules at all costs is the best plan to keep the city safe.