Starting production next week, the new season will deal with the fallout from last year's season finale in which Oliver Queen defeated Ra's al Ghul, installing his own replacement to head the League of Assassins. Along the way, he'll butt heads with Ra's' longtime foe Damien Darhk.
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Arrow's fourth season picks up with Oliver and Felicity out of town, but what will bring them back? And how will they react? We'll see in October.