Watch Arrow Online: Season 6 Episode 9
Paul Dailly at .Did Black Siren ruin Oliver's official wedding?
That was the big question on Arrow Season 6 Episode 9 when the villain took Quentin Lance and Cayden James used him as a bargaining chip for a weapon of mass destruction.
Oliver and the team had to find a way to locate the two villains while trying to keep the streets of Star City safe.
The final few moments paved the way for the series' biggest reveal to date.
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