Oliver turns to an old friend to help battle Diaz; Rene is out of the hospital but has a hard time readjusting to life as Wild Dog; Lance discovers something shocking about Black Siren.
Quest roles:
Kirk Acevedo(Ricardo Diaz), Keri Adams(Bethany Snow), Eliza Faria(Zoe Ramirez), David Nykl(Anatoly Knyazev), Kathleen Gati(Raisa), Gina Ravera(Lydia Cassamento), Carlos Sanz(Dragos), Katerina Katelieva(Clubber #1), Simon Longmore(Bratva Pakhan), Gregory Tunner(Bratva #1), Daryl Ducharme(Big Guy), Petar Gatsby(Zakhar), Chad Humeniuk(A.R.G.U.S. Agent), Daniel Romolliwa(Scorpion #2), Nick Thorp(Scorpion #1), Jack Moore(William), Liza Cosier(Clubber #3), Myles Edmund(Clubber #2), Gus Khosrowkhani(Tailor), Ardy Ramezani(Talon #1)