Ep 20. Shifting Allegiances

As Oliver Queen continues his quest to take down Diaz once and for all, he must navigate shifting allegiances within his inner circle. With the revelation that Laurel Lance has been working with Diaz, the team must decide whether or not to trust her and use her as an asset, or cut ties completely. Meanwhile, Felicity and Curtis are hot on the trail of the mysterious "Dragon" that Diaz is working with behind the scenes. As tensions rise and loyalties are tested, Oliver must also contend with the return of his longtime friend and former ally, Anatoly Knyazev. Will Anatoly be a hindrance or a help in Oliver's mission to take down Diaz? And can Oliver and his team stay united long enough to finally bring Diaz to justice? With unexpected twists and turns at every corner, "Shifting Allegiances" raises the stakes and sets the stage for an explosive season finale.